SARHAN, B. M.; HAMDAN, T.A.; NAEMA, B. Z. Synthesis and Characterization of Some mixed-Ligand Complexes Containing N-acetyl Tryptophan and (2, 2′-bipyridine) with Some Metal Salts. Ibn AL-Haitham Journal For Pure and Applied Sciences, Baghdad, Iraq., v. 25, n. 3, p. 294–303, 2017. Disponível em: https://jih.uobaghdad.edu.iq/index.php/j/article/view/596. Acesso em: 4 apr. 2025.