Khare, Brij, and Habib Rehman. “Modified Chain Regression Type Estimator for Population Mean in the Presence of Non- Response”. International Journal of Accounting and Economics Studies 3, no. 2 (November 27, 2015): 165–168. Accessed November 23, 2024. https://sciencepubco.com/index.php/IJAES/article/view/5491.