Ho, Chao-Pao, and Che-Hao Lin. “A New Approach to the Logistic Modeling Population Having Harvesting Factor”. Yugoslav Journal of Operations Research 26, no. 3 (August 1, 2016): 381–392. Accessed August 25, 2025. https://yujor.erc.fon.bg.ac.rs/index.php/yujor/article/view/474.