AL-GHABSHA, T.; AL-SABHA, T.; SAEED, A. Indirect spectrophotometric determination of Cephalexin and paracetamol by Cu-NTA complex in aqueous solution. Journal of Education and Science (JES), [S. l.], v. 17, n. 3, p. 1–15, 2005. DOI: 10.33899/edusj.2005.82404. Disponível em: https://ojs.uomosul.edu.iq/index.php/edusj/article/view/24194. Acesso em: 7 aug. 2025.