Biazar, Jafar, Saghi Safaei, and Martin Tango. “Fractional Modeling for Prey and Predator Problem by Using Optimal Homotopy Asymptotic Method”. International Journal of Applied Mathematical Research 9, no. 2 (September 30, 2020): 35–40. Accessed April 29, 2024. https://www.sciencepubco.com/index.php/ijamr/article/view/31090.