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, [S. l.], v. 17, n. 3, p. 1–15, 2005. DOI: 10.33899/edusj.2005.82404. Disponível em: https://tanmiyat.uomosul.edu.iq/index.php/edusj/article/view/42322. Acesso em: 8 sep. 2025.