“Preparation, Characterization and Biological Studies of New Tetra-Dentate N4  Schiff Base Derived from Malonic Acid Dihydrazide with Mn+2 and Co+2 Complexes” (2024) Ibn AL-Haitham Journal For Pure and Applied Sciences, 37(2), pp. 270–282. doi:10.30526/37.2.3304.