Hemmer I, Hemmer M, Kruschel K, Neidhardt E, Obermaier G, Uphues R. Influencing Factors of Children’s Spatial Orientation Competence with the Help of a City Map within a Real Area. ZGD [Internet]. 2010 Jun. 30 [cited 2026 Apr. 2];38(2):65-76. Available from: https://zgd-journal.de/index.php/zgd/article/view/168