Gray, Colin M., and Martin A. Siegel. “Sketching Design Thinking: Representations of Design in Education and Practice”. Design and Technology Education: An International Journal 19, no. 1 (June 20, 2014): 48–61. Accessed December 21, 2024. https://openjournals.ljmu.ac.uk/DesignTechnologyEducation/article/view/1638.