Falade, K. I. , Salisu, U. , Ayodele, V.I. “Solving Predator-Prey Model Using Maple 18 Coded Variational Iteration Method (VIM)”. NIPES - Journal of Science and Technology Research, vol. 2, no. 2, June 2020, doi:10.37933/nipes/2.2.2020.17.