“Processing of Rice Straw (Oryza Sativa) into Activated Carbon and Its Formulation in Facial Cleansing Soap Products”. JURNAL FARMASIMED (JFM) 8, no. 1 (November 13, 2025): 258–264. Accessed January 10, 2026. https://ejournal.medistra.ac.id/index.php/JFM/article/view/3010.