-, -, and سيف. “Employment Bootstrapping Approach to Finding New Ratio Estimators in Simple Random Sampling”. IRAQI JOURNAL OF STATISTICAL SCIENCES 9, no. 2 (June 25, 2025): 203–218. Accessed August 5, 2025. https://rjps.uomosul.edu.iq/index.php/stats/article/view/20799.