ADONIA ODESHOO, D.; NATHEER ISMAEL, M. surface orientation analysis of spatial data with the application. Journal of Education and Science, [S. l.], v. 22, n. 2, p. 339–353, 2009. DOI: 10.33899/edusj.2009.57691. Disponível em: https://edusj.uomosul.edu.iq/index.php/edusj/article/view/41623. Acesso em: 10 sep. 2025.