“Spectrophotometric Determination of Sulfathiazole Using 2,4 –dinitrophenylhydrazine as Coupling Reagent”, IHJPAS, vol. 29, no. 2, pp. 227–239, Mar. 2017, Accessed: May 02, 2024. [Online]. Available: https://jih.uobaghdad.edu.iq/index.php/j/article/view/112