“MANNICH BASE DERIVED FROM 1,3,4-THIADIAZOLE AS CHELATING LIGAND FOR SOME TRANSITION METAL COMPLEXES”. Al-Nahrain Journal of Science 11, no. 2 (August 1, 2008): 42–56. Accessed April 8, 2025. https://anjs.edu.iq/index.php/anjs/article/view/1347.