Belaid, S., S. Djebbar, O. Benali-Baitich, S. Ghalem, M.A. Khan, and G. Bouet. 2016. “Potentiometric Studies and Modelization of Ternary Complexes of Nickel(II) With a Tetradentate Schiff-Base and Its Reduced Form As the Primary Ligand and Methionine and Cysteine As the Secondary One”. Asian Journal of Chemistry 17 (2):811-21. https://asianpubs.org/index.php/ajchem/article/view/14267.