Mapping Distribution and Range Analysis of Biogas Digester Units Using Nearest Neighbor Analysis Method in Sruni Village, IndonesiaHashfi Hawali Abdul Matin, Junieta Wahyuningtyas, Glora Ramadhani, Budiyono Budiyono, Yoyon Wahyono and M. Arief Rahman HalimE3S Web Conf., 650 (2025) 01013DOI: https://doi.org/10.1051/e3sconf/202565001013