“Some Copper(II) Complexes of Tetradentate ?-Ketoimines and their Adducts”, Pakistan Journal of Scientific & Industrial Research, vol. 49, no. 3, pp. 174–180, Jun. 2006, Accessed: Mar. 10, 2026. [Online]. Available: https://www.v2.pjsir.org/index.php/biological-sciences/article/view/1145