Umair Tariq, Muhammad, Muhammad Nouman Qureshi, and Muhammad Hanif. “Variance Estimators in the Presence of Measurement Errors Using Auxiliary Information”. Thailand Statistician 19, no. 3 (June 29, 2021): 606–616. Accessed May 5, 2024. https://ph02.tci-thaijo.org/index.php/thaistat/article/view/244524.