Nasution A, Fajri F, Karim A, Romano R. A Study of Sustainable Palm Oil Model as Energy Source Considering the Economic, Social, Enviromental and Security Balance Variables. IJEEP [Internet]. 2020 Dec. 1 [cited 2024 Nov. 15];11(1):388-93. Available from: https://econjournals.com./index.php/ijeep/article/view/10697