[1]
عبد العزيز أحمد ر. 2007. Estimators for a Finite Population Variance and sample size in Stratified Random Sampling (SRS). IRAQI JOURNAL OF STATISTICAL SCIENCES. 7, 2 (Dec. 2007), 229–244. DOI:https://doi.org/10.33899/iqjoss.2007.032414.