“Construction of Biopore Holes in the KTH Office Environment Mahakam Delta, Muara Jawa Ulu: Pembuatan Lubang Biopori Di Lingkungan Kantor KTH Delta Mahakam Muara Jawa Ulu”. 2026. ANDIL Mulawarman Journal of Community Engagement 3 (2): 84-89. https://doi.org/10.30872/andil.v3i2.3927.