AL-SABHA, T.; S. AL-GHABSHA, T.; AL-OBAIDI, M. Spectrophotometric Determination Of Nitrazepam And Dapson Using Vanillin Reagent in Pharmaceutical Preparations. Journal of Education and Science (JES), [S. l.], v. 27, n. 1, p. 43–57, 2014. DOI: 10.33899/edusj.2014.161562. Disponível em: https://ojs.uomosul.edu.iq/index.php/edusj/article/view/23305. Acesso em: 6 aug. 2025.