Sagir A. Mahmud, Housila P. Singh, Surya K. Pal. Improving Population Mean Accuracy through Optimal Estimator. JOSME [Internet]. 2026 Jul. 9 [cited 2026 Jul. 27];12(2):52-63. Available from: https://matjournals.net/engineering/index.php/JOSME/article/view/3848