| Authors: |
Solstad T; Department of Teacher Education, Faculty of Social and Educational Sciences, NTNU - Norwegian University of Science and Technology, Trondheim, Norway. Electronic address: trygve.solstad@ntnu.no., Kaspersen E; Department of Teacher Education, Faculty of Social and Educational Sciences, NTNU - Norwegian University of Science and Technology, Trondheim, Norway. Electronic address: eivind.kaspersen@ntnu.no., Romijn EI; Department of Teacher Education, Faculty of Social and Educational Sciences, NTNU - Norwegian University of Science and Technology, Trondheim, Norway., Hodgen J; Department of Teacher Education, Faculty of Social and Educational Sciences, NTNU - Norwegian University of Science and Technology, Trondheim, Norway; IOE, UCL's Faculty of Education and Society, University College London, London, United Kingdom; Observatory for Mathematical Education, School of Education, University of Nottingham, Nottingham, United Kingdom. |
