Aritonang, B., Ritonga, A. H., Harefa, K., Wiratma, D. Y., & Herlina. (2024). Purification of used Cooking Oil using a Combination of Activated Carbon and Bentonite Adsorbents. JURNAL FARMASIMED (JFM), 7(1), 31–40. https://doi.org/10.35451/jfm.v7i1.2331