Chaudhary, M. K. ., Singh, V. K. ., & Shukla, R. K. . (2012). COMBINED-TYPE FAMILY OF ESTIMATORS OF POPULATION MEAN IN STRATIFIED RANDOM SAMPLING UNDER NON-RESPONSE. Journal of Reliability and Statistical Studies, 5(02), 133–142. Retrieved from https://journals.riverpublishers.com/index.php/JRSS/article/view/21923