S. H. Awad, “Synthesis and Characterization of some Mixed–Ligand Complexes Containing Salicylic Acid and Pyridine with some Metal Ions”, Al-Nahrain J. Sci., vol. 15, no. 3, pp. 23–29, Sep. 2012, Accessed: May 22, 2026. [Online]. Available: https://mail.anjs.edu.iq/index.php/anjs/article/view/761