WEIZINGER, Sylvia; HEMMER, Ingrid. Students’ Conceptions on Circadian and Seasonal Cycles. Zeitschrift für Geographiedidaktik (ZGD), [S. l.], v. 35, n. 4, p. 198–206, 2007. DOI: 10.60511/zgd.v35i4.219. Disponível em: https://zgd-journal.de/index.php/zgd/article/view/219. Acesso em: 23 nov. 2024.