Nahwani A, . S, Widodo E. Strategic Model of Sustainable Program A Conceptual Framework for Hybrid Energy Implementation in Companies Using Biogas as an Energy Source. SEEJPH [Internet]. 2024 Dec. 25 [cited 2025 Oct. 24];:2959-582. Available from: https://www.seejph.com/index.php/seejph/article/view/3060