Yuniasih, Betti, Alief Rizky Purnama Adji, and Budi Budi. 2022. “Evaluation of Pre-Replanting Oil Palm Plant Health Using the NDVI Index from Landsat 8 Satellite Imagery”. Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) 11 (2):304-13. https://doi.org/10.23960/jtep-l.v11i2.304-313.