“PRODUKSI BIOETANOL DARI LIMBAH KULIT DURIAN”. Prosiding SEMDI-UNAYA (Seminar Nasional Multi Disiplin Ilmu UNAYA), vol. 1, no. 1, Nov. 2017, pp. 281-8, https://jurnal.abulyatama.ac.id/index.php/semdiunaya/article/view/212.