Yrjönsuuri, V., Kangas, K., Hakkarainen, K., & Seitamaa-Hakkarainen, P. (2019). The roles of material prototyping in collaborative design process at an elementary school . Design and Technology Education: An International Journal, 24(2), 141–162. Retrieved from https://openjournals.ljmu.ac.uk/DesignTechnologyEducation/article/view/1315