Bhushan, S. ., Singh, R. K. ., & Katara, S. . (2009). IMPROVED ESTIMATION UNDER MIDZUNO – LAHIRI – SEN TYPE SAMPLING SCHEME. Journal of Reliability and Statistical Studies, 2(2), 59–66. Retrieved from https://journals.riverpublishers.com/index.php/JRSS/article/view/22067