Kartika, Harry, Nur Hikmah, & Ali Khumaidi.
" Optimization of Preprocessing Spectra and Modeling Using Machine Learning for Prediction of Agricultural Soil Nutrients." <em>Jurnal Ilmiah Merpati (Menara Penelitian Akademika Teknologi Informasi)</em> [Online], 12.2 (2024): 83-93. Web.  2 Feb. 2025