Banerjie, Jharna, and Neeraj Tiwari. “IMPROVED RATIO TYPE ESTIMATOR USING JACK- KNIFE METHOD OF ESTIMATION”. Journal of Reliability and Statistical Studies 4, no. 1 (June 6, 2011): 53–63. Accessed May 14, 2026. https://journals.riverpublishers.com/index.php/JRSS/article/view/21995.