1.
Bhushan SB, Kumar AK, Kumar S. Efficient Class of Estimators of Population Mean under Double Sampling. Thail. Stat. [internet]. 2023 Jun. 28 [cited 2026 Sep. 15];21(3):498-509. available from: https://ph02.tci-thaijo.org/index.php/thaistat/article/view/250056