Maitah, Mansoor, Petr Procházka, Ales Pachmann, Karel Å rédl, and Helena Řezbová. “Economics of Palm Oil Empty Fruit Bunches Bio Briquettes in Indonesia”. International Journal of Energy Economics and Policy 6, no. 1 (January 18, 2016): 35–38. Accessed April 27, 2024. https://econjournals.com/index.php/ijeep/article/view/1501.