AHMED, A.; احمد; ABEED, A.; علی. Preparation of some Thiadiazol compounds 1, 2, 3, 4 derived from Coumarin compounds. Journal of Education and Science (JES), [S. l.], v. 17, n. 3, p. 51–68, 2005. DOI: 10.33899/edusj.2005.82515. Disponível em: https://rjps.uomosul.edu.iq/index.php/edusj/article/view/18169. Acesso em: 4 aug. 2025.