M. ABDULRAZZAQ M . ABDULRAZZAQ, T.; H. SULTAN, S. Spectrophotometric Determination of Sulphacetamide Sodium Using 2,4-Dinitrophenylhydrazine as Coupling Reagent. College of Basic Education Research Journal, [S. l.], v. 19, n. 1, p. 741–752, 2023. DOI: 10.33899/berj.2023.178135. Disponível em: https://edusj.uomosul.edu.iq/index.php/berj/article/view/39640. Acesso em: 26 oct. 2025.