Mohsen, Ahmed Ali, and Raid Kamel Naji. “Stability and Bifurcation of a Delay Cancer Model in the Polluted Environment”. Advances in Systems Science and Applications 22, no. 3 (September 30, 2022): 1–17. Accessed November 21, 2024. https://ijassa.ipu.ru/index.php/ijassa/article/view/983.