Dubey B, Agarwal S, Kumar A. Optimal harvesting policy of a prey–predator model with Crowley–Martin-type functional response and stage structure in the predator. NAMC [Internet]. 2018 Aug. 10 [cited 2024 May 10];23(4):493-514. Available from: https://www.journals.vu.lt/nonlinear-analysis/article/view/13166