Guzsvinecz, Tibor, Cecilia Sik-Lanyi, Eva Orban-Mihalyko, and Erika Perge. “A Heinrich Spatial Visualization Test Implementálása Virtuális Környezetben”. International Journal of Engineering and Management Sciences 6, no. 4 (December 21, 2021): 1–8. Accessed December 5, 2025. https://ojs.lib.unideb.hu/IJEMS/article/view/10236.