“Spectroscopic and Structural Studies on Azomethine–Transition Metal Complexes: A Valence State Perspective”, IJESR, vol. 8, no. 3, pp. 226–229, Jul. 2018, Accessed: Apr. 15, 2026. [Online]. Available: https://www.ijesr.org/index.php/ijesr/article/view/1327