Moate, J., S. Kuntze, and M. C. E. Chan. “Student Participation in Peer Interaction – Use of Material Resources As a Key Consideration in an Open-Ended Problem-Solving Mathematics Task”. LUMAT: International Journal on Math, Science and Technology Education, Vol. 9, no. 1, Jan. 2021, pp. 29–55, doi:10.31129/LUMAT.9.1.1470.