Papilo, Petir, Marimin Marimin, Erliza Hambali, and Imas Sukaesih Sitanggang. 2021. “Institutional Analysis on Palm Oil-Based Bioenergy for Rural Community Electricity Development in Indonesia: A Hybrid of Soft System and Hard System Approach”. Periodica Polytechnica Social and Management Sciences 29 (1):40-63. https://doi.org/10.3311/PPso.12995.