Rambe, Khoiru Rizqy, Nunung Kusnadi, and Suharno Suharno. 2019. “DINAMIKA KEBIJAKAN PENGEMBANGAN BIODIESEL BERBAHAN BAKU KELAPA SAWIT INDONESIA”. Jurnal Sosial Ekonomi Pertanian 15 (3):239 -52. https://doi.org/10.20956/jsep.v15i3.6578.