N. J. Sappe, S. Baja, R. Neswati, and D. Rukmana, “Land suitability assessment for agricultural crops in Enrekang, Indonesia: combination of principal component analysis and fuzzy methods”, Sains Tanah J. Soil Sci. Agroclimatology, vol. 19, no. 2, pp. 165–179, Dec. 2022, doi: 10.20961/stjssa.v19i2.61973.