Muhseen, Ahmed A, and Xueyong Zhou. “On the Dynamical Behaviors of a Cholera Model With Holling Type II Functional Response”. Al-Nahrain Journal of Science 19, no. 1 (June 6, 2018): 156–167. Accessed May 22, 2026. https://mail.anjs.edu.iq/index.php/anjs/article/view/274.