MOHAMAD, A. N.; DEDEFI WARITU, Nigussie; KEFELEW HAILU, Gizachew; CHALCHISA WAKJIRA, Mengistu. Biodiversity Strategy Improved in Ethiopia by Using Optimal Control System. International Journal of Sciences: Basic and Applied Research (IJSBAR), Jordan, v. 43, n. 1, p. 166–183, 2019. Disponível em: https://gssrr.org/JournalOfBasicAndApplied/article/view/9657. Acesso em: 18 sep. 2025.