Colorimetric Assay Of Naproxen Tablets by Derivatization Using 4-Carboxyl-2,6-Dinitrobenzene Diazonium Ion. The East and Central African Journal of Pharmaceutical Sciences, [S. l.], v. 12, n. 1, p. 8–14, 2018. Disponível em: http://jsep.uonbi.ac.ke/ojs/index.php/ecajps/article/view/85. Acesso em: 3 jul. 2026.