Singagerda, Faurani Santi, Tri Yuni Hendrowati, and Anuar Sanusi. “Indonesia Growth of Economics and the Industrialization Biodiesel Based CPO”. International Journal of Energy Economics and Policy 8, no. 5 (September 5, 2018): 319–334. Accessed December 23, 2024. https://mail.econjournals.com/index.php/ijeep/article/view/6590.