Robby, R. R. ., Trisilowati, T., Darti, I., & Naharin, S. (2022). Dynamical Analysis of Ratio-dependent Predator-Prey Models with Prey Refuge and Optimal Harvesting on Both Populations. Proceedings of the International Seminar on Business, Education and Science, 1(1), 142–151. https://doi.org/10.29407/int.v1i1.2521