E. Pacurar, C.-A. Magot, R. Cabassut, and Y. Solon, “Virtual manipulatives in inquiry-based approach of 3D problems by French 5th graders”, Teach. Math. Comp. Sci., vol. 18, no. 4, pp. 229–240, Nov. 2020, doi: 10.5485/TMCS.2020.0507.