Jamil, Yasmin M.S. “ Synthesis and Spectroscopic Methods on the Complexation OfCoII, NiII and CuII ”. Sana’a University Journal of Applied Sciences and Technology 1, no. 1 (January 31, 2023). Accessed November 21, 2024. https://journals.su.edu.ye/index.php/jast/article/view/131.