Syrjäläinen, E., and P. Seitamaa-Hakkarainen. “The Quality of Design in 9th Grade Pupils’ Design-and-Make Assignments in Craft Education”. Design and Technology Education: An International Journal, vol. 19, no. 2, Oct. 2014, pp. 30-39, https://ljmuojs-prod.leaf.cosector.com/DesignTechnologyEducation/article/view/1634.