REMPFLER, Armin. Geoökologie und Systemdenken. Journal of Geography Education, [S. l.], v. 27, n. 4, p. 173–191, 1999. DOI: 10.60511/zgd.v27i4.295. Disponível em: https://zgd-journal.de/index.php/zgd/article/view/295. Acesso em: 2 apr. 2026.