Synthesis and Spectroscopic Studies of Some transition metal Complexes with Mixed ligand of Metformin and Cysteine. Iraqi Journal of Science [Internet]. 2023 Feb. 8 [cited 2025 Feb. 7];56(4B):3036-47. Available from: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/9342