GALA, Donna Sumarni; RAHMANPIU, Rahmanpiu; MULYANA, Wa Ode. Application of Silica Adsorbent Rice Husk Ash-Activated Carbon in Refining Waste Cooking Oil. Hydrogen: Jurnal Kependidikan Kimia, [S. l.], v. 13, n. 1, p. 197–208, 2025. DOI: 10.33394/hjkk.v13i1.14802. Disponível em: https://e-journal3.undikma.ac.id/index.php/hydrogen/article/view/14802. Acesso em: 16 aug. 2025.