BROCKMÜLLER, Svenja; SIEGMUND, Alexander. Measurement and Development of Systems Thinking–Empirical Findings Regarding the Structure of System Competence and Its Promotion by Means of Analogue and Digital Models. Journal of Geography Education, [S. l.], v. 48, n. 1, p. 31–49, 2020. DOI: 10.18452/21389. Disponível em: https://zgd-journal.de/index.php/zgd/article/view/18. Acesso em: 2 apr. 2026.