A. AHMED, A. Synthesis of Some New Substituted 1,3,4-Oxadiazole and 1,3,4-Thiadiazole Derivatives. Journal of Education and Science (JES), [S. l.], v. 27, n. 3, p. 36–45, 2018. DOI: 10.33899/edusj.2018.159309. Disponível em: https://ojs.uomosul.edu.iq/index.php/edusj/article/view/24159. Acesso em: 6 aug. 2025.