Intzidou, Georgia, Nikos Lambrinos, Christos Tourtouras, and Fani Seroglou. “Metadata: A Pedagogical Tool for the Teaching of Map Projections in Elementary School”. European Journal of Geography 12, no. 3 (November 8, 2021). Accessed September 11, 2025. https://eurogeojournal.eu/index.php/egj/article/view/94.