R. Naji and A. Aaid, “The dynamics of two harmful phytoplankton and herbivorous zooplankton system”, Iraqi Journal of Science, vol. 54, no. 3, pp. 676–695, Dec. 2023, Accessed: Dec. 05, 2025. [Online]. Available: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/12173