Application of the NDVI and ARVI methods in measuring estimated productivity of oil palm plants using Landsat 8 Imagery at PT. Hindoli Cargill IndonesiaLuqmanul Hakim, Manijo and Ade Astri MuliasariBIO Web Conf., 123 (2024) 01001DOI: https://doi.org/10.1051/bioconf/202412301001