VELAMALA, R. R.; PANT, P. K. SFMToolbox: an ArcGIS Python Toolbox for Automatic Production of Maps of Soil Fertility. Geomatics and Environmental Engineering, [S. l.], v. 17, n. 2, p. 105–145, 2023. DOI: 10.7494/geom.2023.17.2.105. Disponível em: https://gaee.agh.edu.pl/gaee/article/view/440. Acesso em: 25 sep. 2025.