Perbandingan Karakteristik Biodiesel Berbahan Baku Minyak Jelantah Hasil Proses Transesterifikasi Berkatalis NaOH, CaO Superbasa, dan Zeolit. JCPE [Internet]. 2019 May 31 [cited 2025 Aug. 15];4(1):1-6. Available from: https://jurnal.fti.umi.ac.id/index.php/JCPE/article/view/831