MOHAMAD, S.; AL-NAJAFI, S.; AL-ABACHI, A. Spectrophotometric Determination of Promethazine in Pharmaceutical Preparations. Journal of Education and Science (JES), [S. l.], v. 18, n. 2, p. 33–41, 2006. DOI: 10.33899/edusj.2006.78831. Disponível em: https://ojs.uomosul.edu.iq/index.php/edusj/article/view/23567. Acesso em: 6 aug. 2025.