Hansen, B. B., Bjerre, H. J., Ugilt, R., Thykjær, S.
& Porsgaard, K. (2012).
Dette er OL, hop her.
Information, 30.
Björk Joelsdottir, L.
, Lindenskov, L., Misfeldt, M. & Rattleff, P. (2012).
Economy students’ learning and application of mathematics at university. I G. H. Gunnarsdóttir, , F. Hreinsdóttir, G. Pálsdottir, M. Hannula, M. Hannula-Sormunen, E. Jablonka , U. T. Jankvist, A. Ryve, P. Valero & K. Wæge (red.),
Proceedings of Norma 11: The Sixth Nordic Conference on Mathematics Education (s. 339-348). University of Iceland Press.
Brinkkjær, U. (2012).
Emile Durkheim. I P. Ø. Andersen & T. Ellegaard (red.),
Klassisk og moderne pædagogisk teori (2 udg., s. 737-740). Hans Reitzels Forlag.