TH. ALI AL-OBAIDY, O. Cyclization of Semicarbazones to 1,2,3-Selenadiazoles By Selenium Dioxide. Journal of Education and Science (JES), [S. l.], v. 25, n. 2, p. 21–25, 2012. DOI: 10.33899/edusj.2012.59162. Disponível em: https://ojs.uomosul.edu.iq/index.php/edusj/article/view/23875. Acesso em: 6 aug. 2025.