Distribution Mapping and Accessibility Analysis of Biogas Digester in Sambak Village, Indonesia using Nearest Neighbor Analysis MethodHashfi Hawali Abdul Matin, Sapta Suhardono, Prabang Setyono, Glora Ramadhani, Junieta Wahyuningtyas and Yoyon WahyonoE3S Web Conf., 650 (2025) 01012DOI: https://doi.org/10.1051/e3sconf/202565001012