Ramdhani, Medy, Mohammad Yani, and Andes Ismayana. “Analisis Emisi GRK Dan Konversi Energi Pada Produksi Minyak Jarak (Ricinus Communis L.) Dengan Metode Life Cycle Assessment (LCA)”. Journal of Natural Resources and Environmental Management 9, no. 3 (October 11, 2019): 680-691. Accessed October 30, 2020. https://jma.journal.ipb.ac.id/index.php/jpsl/article/view/23585.