M. Hameed, Nassim. “Spectrophotometric Determination of Sulfasalazine by Coupling With Diazotized P-Nitroaniline - Application to Pharmaceutical Formulations”. Rafidain Journal of Science 22, no. 6 (September 1, 2011): 88–101. Accessed October 5, 2025. https://alaw.uomosul.edu.iq/index.php/rsci/article/view/47609.