Preparation, Characterization and Biological Studies of New Tetra-Dentate N4  Schiff Base Derived from Malonic Acid Dihydrazide with Mn+2 and Co+2 Complexes. Ibn AL-Haitham Journal For Pure and Applied Sciences, [S. l.], v. 37, n. 2, p. 270–282, 2024. DOI: 10.30526/37.2.3304. Disponível em: https://jih.uobaghdad.edu.iq/index.php/j/article/view/3304.. Acesso em: 16 jul. 2024.