MAS, J. F. AN INTRODUCTION TO R FOR SPATIAL ANALYSIS & MAPPING. GeoFocus. International Review of Geographical Information Science and Technology, [S. l.], n. 17, p. 185–186, 2016. Disponível em: https://geofocus.org/index.php/geofocus/article/view/484. Acesso em: 19 apr. 2025.