Prayitno G, Hakim AN, Meidiana C. Community Participation on the Self Help Group of Methane Gas (Biogas) Management as Renewable Energy in Indonesia. IJEEP [Internet]. 2020 Dec. 1 [cited 2024 Nov. 21];11(1):200-11. Available from: https://econjournals.com./index.php/ijeep/article/view/10595