Numan, Ahmad T., Khalid F. Ali, and Eman I. Al-salihi. 2017. “Synthesis and Characterization of Schiff Base Folic Acid Based Ligand and Its Complexes”. Ibn AL-Haitham Journal For Pure and Applied Sciences 28 (2): 69-85. https://jih.uobaghdad.edu.iq/index.php/j/article/view/178.