“Synthesis and Characterization of Some mixed-Ligand Complexes Containing N-acetyl Tryptophan and (2, 2′-bipyridine) with Some Metal Salts” (2017) Ibn AL-Haitham Journal For Pure and Applied Sciences, 25(3), pp. 294–303. Available at: https://jih.uobaghdad.edu.iq/index.php/j/article/view/596 (Accessed: 18 May 2024).