NEGIM, Elsayed et al. Studying physico-mechanical properties of maleic acid grafted chitosan with metal as slow release fertilizers. International Journal of Basic and Applied Sciences, [S. l.], v. 4, n. 1, p. 89–94, 2015. DOI: 10.14419/ijbas.v4i1.3993. Disponível em: https://www.sciencepubco.com/index.php/ijbas/article/view/3993.. Acesso em: 28 apr. 2024.