Iqubal, Dr. S. M. Shakeel. “Oxidation of Citric Acid Using Colloidal MnO2 in the Presence of Non-Ionic Surfactant Tween-80”. Asian Journal of Pharmaceutics (AJP) 16, no. 4 (December 15, 2022). Accessed April 16, 2024. https://asiapharmaceutics.info/index.php/ajp/article/view/4599.