Pušenjak R, Oblak M, Lipičnik M. Competitive Predator-Prey Systems with Time-Dependent Coefficients: A Multistage Homotopy Perturbation Analysis. analipazu [Internet]. 2022 May 17 [cited 2026 Apr. 15];2(1):22-31. Available from: https://journals.um.si/index.php/anali-pazu/article/view/1937