KISSER, Thomas. The Development of Geographic Curricula in Grammar Schools of Baden-Württemberg (Germany) between 1657 and 2004: Providing Continuity or Discontinuity: Eine Bewertung aus der Sicht von fünf Jahren Erfahrung. Journal of Geography Education, [S. l.], v. 39, n. 4, p. 217–230, 2011. DOI: 10.18452/25274. Disponível em: https://zgd-journal.de/index.php/zgd/article/view/167. Acesso em: 2 apr. 2026.