Jaya, Jaka Darma, and Rizqie Mayasari. 2026. “Geospatial Mapping of Smallholder Oil Palm Plantation in Tanah Laut Regency Using QGIS”. Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) 15 (1):10-18. https://doi.org/10.23960/jtepl.v15i1.10-18.