Knain, E., T. Fredlund, A. Furberg, K. Mathiassen, K. B. Remmen, og M. Ødegaard. «Representing to Learn in Science Education: Theoretical Framework and Analytical Approaches». Acta Didactica Norge, bd. 11, nr. 3, september 2017, s. Art. 11, 22, sider, doi:10.5617/adno.4722.