Hussain S, Sharma M, Ali Bhat V, Iqbal Jeelani Bhat M. Proportion Based Dual Unbiased Exponential Type Estimators of Population Mean. Thail. Stat. [Internet]. 2023 Dec. 28 [cited 2024 May 9];22(1):31-9. Available from: https://ph02.tci-thaijo.org/index.php/thaistat/article/view/252205