SHIMAA, K., G. .; M. M., S.; A. E. M., A.; M., I. Usage of Geographic Information System for Management of Soil Fertility, Egypt: Research Article- DOI: 10.23953/cloud.ijarsg.473. International Journal of Advanced Remote Sensing and GIS, [S. l.], v. 9, n. 1, p. pp. 3331–3349, 2020. Disponível em: https://www.cloudjl.com/index.php/RemoteSensing/article/view/10. Acesso em: 6 jun. 2025.