Synthesis and Spectroscopic Studies of Some transition metal Complexes with Mixed ligand of Metformin and Cysteine. Iraqi Journal of Science, [S. l.], v. 56, n. 4B, p. 3036–3047, 2023. Disponível em: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/9342.. Acesso em: 7 feb. 2025.