Hasriani, Hasriani, Saibun Sitorus, & Irfan Ashari Hiyahara. " REVIEW ARTICLE: UTILIZATION OF VARIOUS OF ADSORBENT FROM ACTIVATED CHARCOAL IN INCREASING THE QUALITY OF COOKING OIL." PROSIDING SEMINAR NASIONAL KIMIA [Online], 2.1 (2023): 81-85. Web. 27 Jul. 2024