“Synthesis and Characterization of Some Mixed–Ligand Complexes Containing Salicylic Acid and Pyridine With Some Metal Ions”. Al-Nahrain Journal of Science 15, no. 3 (September 1, 2012): 23–29. Accessed May 17, 2024. https://anjs.edu.iq/index.php/anjs/article/view/761.