[1]
“An Improved Estimation Procedure of Population Mean in Two Phase Sampling”, J. Int. Acad. Phys. Sci., vol. 18, no. 1, pp. 01–10, Mar. 2014, Accessed: Oct. 23, 2026. [Online]. Available: http://www.iaps.org.in/journal/index.php/journaliaps/article/view/462