Bjerknes, Anne-Line, Ingunn Skalstad, og Sören Räpple-Freudenreich. 2023. «Conceptual Playworld As a Method of Facilitating Learning Beyond Subject Matter in Elementary School». Nordisk tidsskrift for utdanning og praksis 17 (2):53-76. https://doi.org/10.23865/up.v17.5183.