Muhammad Dwi Fadil Thio, Acha Fillail Romadhoni, Dela Ainun Nisya, Hesti Maheswari, Arif Murti Rozamuri. Empowerment of Semi Formal and Informal Sector in Realizing A Cheap and Environmentally Friendly Alternative Energy of PLTSa Sumur Batu Business Process. JMEB [Internet]. 2021 Nov. 19 [cited 2024 Oct. 18];1(1). Available from: //jmeb.universitaspertamina.ac.id/index.php/MBEJ/article/view/14