“Spectrophotometric Determination of Sulphadiazine by Oxidative Coupling Reaction With Ortho-Amino Phenol As Reagent”. Tikrit Journal of Pure Science 24, no. 4 (August 4, 2019): 40–46. Accessed November 8, 2026. https://www.tjpsj.org/index.php/tjps/article/view/395.