Hari Yuwono, By, Margono Setiawan, Candra Fajri Ananda, and Sudjatno . “Business Sustainability Analysis of On-Grid POME-Based Biogas Power Plant; A Resource-Based Theory Approach”. International Journal of Engineering & Technology 8, no. 1.9 (January 26, 2019): 335–338. Accessed May 4, 2024. https://sciencepubco.com/index.php/ijet/article/view/26681.