Misra, Peeyush. “ON IMPROVED DOUBLE SAMPLING ESTIMATORS OF POPULATION VARIANCE USING AUXILIARY INFORMATION”. Journal of Reliability and Statistical Studies 9, no. 01 (June 6, 2016): 93–100. Accessed May 14, 2026. https://journals.riverpublishers.com/index.php/JRSS/article/view/21029.