HEMMER, Ingrid; HEMMER, Michael; OBERMAIER, Gabi; UPHUES, Rainer. Spatial Orientation: An Empirical Study on the Relevance of the Competency Area Spatial Orientation in the View of Society and Experts. Journal of Geography Education, [S. l.], v. 36, n. 1, p. 17–32, 2008. DOI: 10.60511/zgd.v36i1.212. Disponível em: https://zgd-journal.de/index.php/zgd/article/view/212. Acesso em: 2 apr. 2026.