Optimasi Waktu Aktivasi Arang Aktif Berbahan Baku Limbah Tulang Kambing. (2019). Prosiding SEMDI-UNAYA (Seminar Nasional Multi Disiplin Ilmu UNAYA), 3(1), 200-208. https://jurnal.abulyatama.ac.id/index.php/semdiunaya/article/view/447