Gabr, A.A. “ Coordination Studies of Some Salicylidene Heterocyclic Schiff Bases With La(III), Ce(III) and Sm(III). ”. Asian Journal of Chemistry 3, no. 2 (March 30, 2010): 212–218. Accessed October 3, 2024. https://asianpubs.org/index.php/ajchem/article/view/25215.