Synthesis and Characterization of Schiff Base Derived From Chitosan and Its Complexes With (Co+2, Ni+2 and Cu+2). Ibn AL-Haitham Journal For Pure and Applied Sciences, [S. l.], v. 29, n. 2, p. 115–129, 2017. Disponível em: https://jih.uobaghdad.edu.iq/index.php/j/article/view/90.. Acesso em: 4 may. 2024.