WILLIAMS, Michael. Research in Geographical Education: Retrospect and Prospect. Zeitschrift für Geographiedidaktik (ZGD), [S. l.], v. 26, n. 3, p. 124–135, 1998. DOI: 10.60511/zgd.v26i3.307. Disponível em: https://zgd-journal.de/index.php/zgd/article/view/307. Acesso em: 21 nov. 2024.