“Formulation and Evaluation of Ibuprofen Gel using a Natural Polymer”, East Cent. Afr. J. Pharm. Sci., vol. 18, no. 1, pp. 18–22, Nov. 2018, Accessed: Jun. 15, 2026. [Online]. Available: http://jsep.uonbi.ac.ke/ojs/index.php/ecajps/article/view/178