1.
عبد العزيز أحمد ر. Estimators for a Finite Population Variance and sample size in Stratified Random Sampling (SRS). IQJOSS [Internet]. 2007 Dec. 1 [cited 2025 Oct. 24];7(2):229-44. Available from: https://stats.uomosul.edu.iq/index.php/stats/article/view/28999