“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), pp. 84–89. doi:10.30872/andil.v3i2.3927.