Sari, Putri, 		Indarto, Indarto, 		Mandala, Marga, AND 		Cahyono, Bowo.
" Mapping of Soil Quality Index (SQI) for Paddy Fields Using Sentinel-2 Imagery, Laboratory Analysis, and Principal Component Analysis" <em>Geosfera Indonesia</em> [Online], Volume 6 Number 2 (17 August 2021)