HASAN, M. N.; BISWAS, M. H. A.; UDDIN, M. S. An Ecological Model for Sustainable Forest Management of Eco-system Based on Optimal Control Theory. Journal of Nepal Mathematical Society, [S. l.], v. 2, n. 1, p. 19–44, 2019. DOI: 10.3126/jnms.v2i1.33014. Disponível em: https://nepjol.info./index.php/jnms/article/view/33014. Acesso em: 4 dec. 2024.