“La(III) and Ce(IV)Complexes of Novel Azo-Theophylline Ligand :Structural Analysis and Biological Effectiveness”. Iraqi Journal of Science 66, no. 1 (January 30, 2025): 39–51. Accessed February 12, 2025. https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/10813.