You Only Learn Twice —Lean Entrepreneurship Education in Lower Secondary Schools and Implications for University Outreach
T. Kampe, I. Ballschmieter, C. Haas, in: International Entrepreneurship Education Summit (IEES), Hochschule Der Medien, Stuttgart, 28.11., 2025.

Students' conceptions of assessment and mathematics: self-regulation raises achievement
G.T.L. Brown, G. Hirschfeld, Australian Journal of Educational and Developmental Psychology 7 (2007) 63–74.