“Effect of Hydroxypropyl Methylcellulose Concentration Variations As a Gelling Agent on the Physical Quality of Hydrogel Formulations Containing Ethanol Extract of Impatiens Balsamina L. Herb”. Indonesian Journal of Medicine 10, no. 4 (October 10, 2025): 267–277. Accessed October 27, 2026. https://www.theijmed.com/index.php/theijmed/article/view/872.