Study of The Use of Biogas Into Electrical Energy by The Farmer Group Dulur Ganjar, Langse Village, Margorejo District, Pati Regency, Central JavaKurniawan Puspito Aji and Azis Nur BambangE3S Web Conf., 202 (2020) 06030DOI: https://doi.org/10.1051/e3sconf/202020206030