The Use of One Sample t-Test in the Real Data” Journal of Advances in 
 - “Access to and Utilization of Information and Communication Technology by the Teaching Staff at Tishk International University” Eurasian Journal of Science & Engineering. Volume 8, Issue 1,2022, Pages203-212. Doi:10.23918/eajse. v8i1p203 
 - “The Use of One Sample t-Test in the Real Data” Journal of Advances in Mathematics. Volume 21, 2022, pages 134-138, DOI: https://doi.org/10.24297/jam.v21i.9279
- Factors Affecting Number of Born Children in Iraq” JOURNAL OF ALGEBRAIC   STATISTICS Volume 13, No. 2, 2022, p. 955 – 966. 
Investigating Multicollinearity in Factors Affecting Number of Born Children in Iraq” JOURNAL OF ALGEBRAIC STATISTICS Volume 13, No. 2, 2022, p. 967 - 974. 
1- "Optimum Sample Size and Swing Detection for Repeated Surveys" "Utilities Mathematica" Vol. 21B, 1982, Canada  .
2- ‘Estimating Sample Size in Different Types of Sampling ‘ Tanmeat Alrafideen Journal , College of Economics and Adminstration, vol. (28) , 1989,Mosul,Iraq.
3- ' The Computer and its Effect in the Preparation of Examination Results '.  Tanmeat  Alrafideen Journal / College of Economics and Adminstration , vol.(30) , 1990,Mosul,Iraq.
4- ' Optimum Method to Estimate the Residential, green Areas and Road Lengths in Mosul City 'Iraqi Journal of Sciences, No.3,vol(31),1990,pp(757-764),Baghdad University ,Iraq.
5-‘Pitfalls of Simple linear regression 'Tanmeat Alrafideen Journal, College of Economics and Administration , vol. (37) , 1992,Mosul,Iraq.
6- ' Using Goal Programming in the Planning of Production ‘Tanmeat Alrafideen Journal / College of Economics and Administration , vol. (37) , 1992,Mosul,Iraq.
7-Statistical Study of Ultrasound and Its Medical Uses ' journal of Education and Science, vol. (13) ,1993, pp (184-192).Faculty of Education, Mosul, Iraq.
8-‘An Approximately Optimal Stratification Using Proportional Allocation’Tanmeat Alrafideen Journal / College of Economics and Administration , vol. (41) , 1993, Mosul, Iraq.
9–‘A measure for Evaluating the Classroom Performance of the University Faculty Member’ Journal of Education and Science, Faculty of EducationNo. (15), 1994, pp (250-256), Universityof Mosul ,Mosul, Iraq.
10- ‘Development of Traffic Safety in Iraq’ Tanmeat Alrafideen Journal , College of Economics and Administration , vol. (44) , 1994,pp(151-167),Mosul, Iraq.
11-‘Evaluation of the Level of Performance of Teacher in the Classroom: A practical study’ Tanmeat Alrafideen Journal , College of Economics and Administration , vol. (44) , 1994,pp(443-456),Mosul, Iraq.
12-'Regression Approach to Analysis of Variance' Journal of Sciences for Economics and management,vol.1,no.1,1995, University of Baghdad.
13- ' Estimation by Ridge and Least Squares Methods 'proceedings of the seventh Scientific Conference of the Iraqi Association for statistical sciences for the period 3-4/5/1995.
14- ' The influence of the Academic Achievement (scientific, art) on the Final Results of Management and Economics Graduates 'Tanmeat  Alrafideen Journal , College of Economics and Administration , vol. (47) , 1996,pp(211-225),Mosul, Iraq.
15- ' Proposed Method for Obtaining the Approximate Stratum Boundaries Using Proportional Allocation’ 'Tanmeat Alrafideen Journal , College of Economics and Administration , vol. (48) , 1996,pp(263-271),Mosul, Iraq.
16- ' Computer System for Training Medical Students ' Tanmeat Alrafideen Journal , College of Economics and Administration , vol. (49) , 1996,pp(31-37),Mosul,Iraq.
17-' A comparison of Approximate Methods for Obtaining Stratum Boundaries Through the Application on the Agricultural Areas of the Country 'Tanmeat Alrafideen Journal , College of Economics and Administration , vol. (49) , 1996,pp(201-217),Mosul, Iraq.
18- 'Approximately Optimal Stratification Using Neyman Allocation' Tanmeat Alrafideen Journal , College of Economics and Administration , vol. (50) , 1997,pp(31-37),Mosul, Iraq.
19- ' Proposed Method for Obtaining the Stratum Boundaries Using Neyman Allocation’Tanmeat Alrafideen Journal, College of Economics and Administration , vol. (52) , 1997,pp(287-299),Mosul, Iraq.
20-‘Estimating Sample Size in Simple Random Sampling 'Tanmeat Alrafideen Journal , College of Economics and Administration, vol. (52),1997,pp(303-317),Mosul, Iraq.
21- 'Using Linear Model to Obtain Stratum Boundaries Depending on Nyman Allocation ''proceedings of the ninth Scientific Conference of the Iraqi Association for statistical sciences 1997.
22- 'Using Linear Model to Obtain Stratum Boundaries Depending on Proportional Allocation-Comparative Study ' Mutah Journal Publication of research studies, Vol. 12, issue (4) year 1997, pp (195-209),Mutah University, Jordan.
23- ' Using Mean Squares Error Criterion to compare the Estimators of Least Squares and the Biased Regression methods ''Tanmeat Alrafideen Journal , College of Economics and Administration, vol. (55) , 1998,pp(337-349),Mosul, Iraq.
24- ' Goal Programming as an Alternative to Least Squares and Ridge Methods’ Proceedings of the Tenth Conference of the Iraqi Association for Statistical Sciences 13/5/1998.
25-' The Suggested Methods for Obtaining Stratification Boundaries Using Nyman Allocation 'Published in Proceedings of the Sixth Scientific Conference of the Faculty of Management and Economics of the University of Baghdad. (Special issue 1999), pp (1098-1116).
26- ' Using Bivariate Linear Model in Stratification 'Tanmeat Alrafideen Journal , College of Economics and Administration, vol. (57),1999, pp (143-151), Mosul, Iraq.
27- ' Using the Generalized Mean Squares Error criterion to Compare the Estimators of Least Squares and Biased Regression Methods 'Tanmeat Alrafideen Journal , College of Economics and Administration, vol. (57),1999, pp (153-164), Mosul, Iraq.
28-' Bivariate Regression Analysis in Stratified Sampling-Comparative Study 'Tanmeat Alrafideen Journal , College of Economics and Administration, vol. (58), 1999, pp (113-122), Mosul, Iraq.
29- ' Using Principle Components Technique to Treat the problem of Collinearity 'Tanmeat Alrafideen Journal, College of Economics and Administration, vol. (58), 1999, pp (223-235), Mosul, Iraq.
30- 'Using Discriminate Function to Accept the Students at the College of Physical Education ' Alrafideen Journal of Sports Sciences, vol.5,No. 12,1999.
31-‘ On the Problem of Optimum Stratification Using ProportionalAllocation’ Proceedings of the 11th Conference of the Iraqi Association for Statistical Sciences for the period 25-26/8/1999.
32-’UsingFactor Analysis to Study the Variables Affecting the Outcomes of Pregnancies at risk 'Tanmeat Alrafideen Journal, College of Economics and Administration, vol. (59), 2000, pp (223-235), Mosul, Iraq.
33- 'Two Approximate Methods for Bivariate Stratification ' Tanmeat Alrafideen Journal , College of Economics and Administration, vol. (60), 2000,pp(155-167), Mosul, Iraq.
34-'Using Some Methods of Estimation to Determine the Demand Function for Money’ Tanmeat Alrafideen Journal, College of Economics and Administration, vol. (61), 2000, Mosul, Iraq.
35-' Filtering Projects  in Nineveh – A statistical Study ' Tanmeat Alrafideen Journal, College of Economics and Administration, vol. (62), 2000, Mosul, Iraq.
36- 'Using Discriminatory Method to Classify the Pregnant According to Coopland Degrees of Severity ' Tanmeat Alrafideen Journal / College of Economics and Administration, vol. (63), 2000,pp(185-192), Mosul, Iraq.
37-‘Approximate Methods to Find the Variance of the Stratified Sample Mean for Bivariate Regression Analysis ' Proceedings of Scientific Conference of Statistics for the period 30-31/8/2000.
38- 'Using Some Linear Models for Determining the Factors Affecting the Weight of Chickens ' Proceedings of Scientific Conference of Statistics for the period 30-31/8/2000.
39- ' Factors Affecting the Rate of Conversion of Heptanes to Acetylene In launching of Airplane –Comparative Study ' Tanmeat Alrafideen Journal , College of Economics and Administration, vol. (64), 2001,pp(231-240), Mosul, Iraq.
40- ' Using  Simulation Technique to Compare Ridge Regression Estimators ' Journal of Education and Science,vol.49,2001,Faculty of Education, University of Mosul.
41-' Optimum Allocation of the Stratified Sample Size for multivariate surveys ' Proceedings of the Second Scientific Conference of the Faculty of Arts and Sciences, Al-albayt  University for the period  8-9/5/2002.
42-’A Comparison Between Latent Roots and Least Squares Regression Methods Using Simulation technique ', Journal of Applied Sciences, the first issue of volume VIII , 2006, University of applied sciences, Jordan.
43-' Approximation Method in Finding Optimum Stratum Depending on Neyman Allocation Applied on Beta Distribution ' Proceedings of the 12th WSEAS Int Conf. on APPLIED MATHEMATICS, Cairo Egypt, December 29-31 , 2007.
44-'The Probability Distribution for the Biased Estimator of the Ridge Regression 'Iraqi Journal of Statistical Sciences-volume 8, number 14, 2008.
45- 'A Comparison Between Unbiased Ridge and Least Squares Regression Methods Using Simulation Technique ' Journal OF Modern Applied Statistical Methods, Vol. 9, no. 2, 2010.
46-‘A Monte Carlo Comparison Between Ridge and Principal Components Regression Methods ’Applied Mathematical Sciences,No.42,vol.3,pp2085-2098  , 2009 .
47’ A Comparison Between Some New Class of Biased Estimators Using Simulation Technique’Journal of the Association of Arab Statisticians (JASU)No,157,vol.1,2011, Jordan .
48-'On The Effect Of Stratification When Two Stratifying Variables Are Used (A New Method) 'The Third Conference on Mathematical Sciences CMS'2011 ,27-29/4/2011, at "Zarqa university", Jordan .
49-AComparison Between Ridge Regression and least absolute value Using Simulation Technique"    ,The Third Conference on Mathematical Sciences CMS'2011 ,27-29/4/2011, at "Zarqa university", Jordan .
50- ‘The Distribution of the Outflow for Linear Reservoirs Using Fast  Fourier Transformation Method ‘Iraqi Journal of Science publication statistical number 22, 2012 year y (1-14-60 ,)Iraq.
51- ‘ On the Effect of Stratification When the Two Stratifying Variables Having Bivariate Normal Distribution. Journal of Advanced Social Research Vol.2 No.2, April 2012, 101-109
52-‘An Empirical Study of Bivariate Stratification’ Journal of Applied Statistical Science vol.20 ,No.4.
53-‘Prediction of the factors affecting the capital in Jordan ' Iraqi Journal of Science (25), 2113.
54‘On The Effect of Stratification When Two Independent Stratifying Variables Are Used  ". Iraqi Journal of Statistical Sciences (25) 2013.
55-‘Approximation method in finding optimum stratum depending on Proportional allocation applied on Beta distribution’ Tanmeat Alrafideen Journal , College of Economics and Administration, (36),114,2014, Mosul, Iraq.,
56-’ Prediction of the Most Important Factors Influencing High Blood Pressure 'Proceedings of the International Conference of Arab IACMC-2014 period 23-25 April 2014.
57-‘ The Requirements of the  Organizational Innovation Development in Modern Communications’ organizations ' Field Study. Proceedings of the Fourteenth Annual International Scientific Conference at Zeytona  University , 20-22 , April, 2015.
58-‘A Genetic Algorithm to Determine the Stratum Boundaries Using Proportional Allocation’ BEST: International Journal of Management, Information, Technology and Engineering (BEST: IJMITE) , Vol. 3, Issue 7, Jul 2015.
59-‘ Using Particle Swarm Optimization to Determine the Optimal Strata Boundaries’ Journal of Advances in Mathematics ,Vol .11, No.1 , 2015 .
60-‘Using Artificial Bee Colony Algorithm to Determine the Optimal Strata Boundaries’ BEST: International Journal of Humanities, Arts, Medicine and   Sciences, Vol. 3, Issue     12, Dec 2015, 227-238.
61- ‘Using Artificial Bee Colony Algorithm to Determine the Optimum Stratum Boundaries Depending on Neyman Allocation’  Journal of The International Association of Advanced Technology and Science ,Vol 2, Issue 3, March 2016 .
62-‘Application of Latent Roots Regression to Multicollinear Data ‘Journal of Advance Research in Computer Science and Engineering ,Vol .4, No.12 , 2017 .
63- Studying the Effect of Some Variables on the economic Growth Using Latent Roots Method’ International Journal of Advanced Research in Computer Engineering & Technology (IJARCET) Volume 8, Issue 11, November 2019  ,ISSN: 2278 – 1323.   
 64- ‘Optimum Stratum Boundaries Using Artificial Bee Colony and Particle Swarm Optimization’ Proceedings of the International Conference of Arab IACMC-2019  period 24-26 April 2019, Zarqa University, Jordan. 
 65- “A comparison Between Ridge Regression and Least Absolute Value Using Simulation Technique”, Journal of Advances and Applications in Statistics. Volume 60, Number 2, 2020, Pages 137-146. 
66- “Performance of the New Ridge Regression Parameters “Journal of Advances in Mathematics and Computer Science 34(5): 1-9, 2019; Article no. JAMCS.53467. 
 67- “A Monte Carlo Comparison Between Least Squares and the New Ridge Regression Parameters” Journal of Advances and Applications in Statistics. Volume 62, Number 1, 2020, Pages 97-105.
68- “Approximate Methods to Obtain the Optimum Stratum Boundaries: A Comparative  Study” Eurasian Journal of Science & Engineering. Volume 7, Issue 1,2021, Pages197- 204
69- USING RIDGE REGRESSION TO ESTIMATE SOME VARIABLES AFFECTING THE IRAQI STOCK EXCHANGE INDEX” Journal of Advances and Applications in Statistics. Volume 69, Number 2, 2021, Pages 191-202.
70 - “Using Linear Regression Analysis to Study the Recovery Cases of COVID 19 in Erbil, Kurdistan Region” Drugs and Cell Therapies in Hematology. Volume 10, Issue  1,2021, 1226-1239.
71- “Dynamics of High School Certificate Examinations Demand: A Case Study of Kurdistan Region, Iraq” Eurasian Journal of Science & Engineering. Volume 7, Issue 2,2021, Pages1-9. 
72- “THE EFFECT OF SOME MACROECONOMIC VARIABLES ON STOCK MARKET MOVEMENT IN IRAQ” Journal of Advances and Applications in Statistics. Volume 73, Number 1, 2022, Pages 1-16, http://dx.doi.org/10.17654/0972361722008.  
73-Factors Affecting Number of Born Children in Iraq” JOURNAL OF ALGEBRAIC   STATISTICS Volume 13, No. 2, 2022, p. 955 – 966. 
74-Investigating Multicollinearity in Factors Affecting Number of Born Children in Iraq” JOURNAL OF ALGEBRAIC STATISTICS Volume 13, No. 2, 2022, p. 967 - 974. 
75- THE USE OF TWO-SAMPLE t-TEST IN THE REAL DATA” Journal of Advances and Applications in Statistics. Volume 81, Number 1, 2022, Pages 13-22,   http://dx.doi.org/10.17654/0972361722071.  
76- “Factors affecting the achievement of demand in high school certificate examinationin Erbil, KRG, Iraq. AIP Conference Proceedings 2554, 030003 (25/1/2023); https://doi.org/10.1063/5.010443077- “FACTORS AFFECTING THE MOTIVATION OF STUDENTS SPEAKINGSKILLS’ PROGRESS" Journal of Advances and Applications in Statistics.Volume 86, Number 2, 2023, Pages 157-166, http://dx.doi.org/10.17654/097236172302178- “DESCRIPTIVE STATISTICS FOR FINDING THE IMPACT OF PEERFEEDBACK ON WRITING SKILL EMPOWERMENT IN EFL CLASS”Journal of Advances and Applications in Statistics. Volume 87, Number 2, 2023,Pages 225-236, http://dx.doi.org/10.17654/0972361723035.79- “Investigating Multicollinearity in Factors Affecting Number of Born Children inIraq” Springer Proceedings in Mathematics & Statistics book series(PROMS,volume 418), 30 May 2023, Pages 81-91, https://link.springer.com/chapter/10.1007/978-981-99-0447-1_780- “Using Ridge Regression to Estimate Factors Affecting the Number of Births. AComparative Study” Springer Proceedings in Mathematics & Statistics bookseries (PROMS,volume 418), 30 May 2023, Pages 183-194, https://link.springer.com/chapter/10.1007/978-981-99-0447-1_1581- “New Estimations for Zeros of Polynomials Using Numerical Radius and Similarityof Matrices” Springer Proceedings in Mathematics & Statistics book series (PROMS,volume 418), 30 May 2023, Pages 461-474, https://link.springer.com/chapter/10.1007/978-981-99-0447-1_4182- “Mathematics Learning Challenges and Difficulties: A Students’ Perspective”Springer Proceedings in Mathematics & Statistics book series (PROMS,volume 418), 30 May 2023, Pages 311-323, https://link.springer.com/chapter/10.1007/978-981-99-0447-1_2783- “Investigating the Causes of the Decline in Mathematics Performance Among HighSchool Students in Iraq: A Teacher's Perspective” YMER, VOLUME 22: ISSUE 06(June) – 2023, Pages 919-930. https://ymerdigital.com/current-issue/?cpage=484- “Understanding Challenges of Mathematics Education in Iraq: A Focus on KurdistanRegion” YMER, VOLUME 22: ISSUE 06 (June) – 2023, Pages 931-946. https://ymerdigital.com/current-issue/?cpage=4.85- “Loss of Economic Returns for Not Investing in Green Residential Buildings in theKurdistan Region of Iraq: A Sustainable Perspective” Springer Proceedings of the18th SICB “Sustainability and Cutting-Edge Business Technologies” Volume 2, 27August 2023, pages 138-146. https://doi.org/10.1007/978-3-031-42455-7_1386- “Trends in the Development of Information and Communication TechnologyIndicators and Their Impact on the Sustainable Development of the United ArabEmirates for the Period 2000–2022. Springer Proceedings of the18th SICB “Sustainability and Cutting-Edge Business Technologies” Volume 2, 27August 2023, pages 186-193. https://doi.org/10.1007/978-3-031-42455-7_17.                                                                                                   87- “Utilization of Information and Communication Technology (ICT) by Faculty Members at Information and Communication Technology College Al-Zaytoonah University in Jordan” International Conference on Information Technology (ICIT) 2023, pp806-810. DOI: 10.1109/ICIT58056.2023.10225928.IEEE.