Nazaré de Freitas, A. P., and R. Assoreira Almendra. “Soft Skills in Design Education, Identification, Classification, and Relations: Proposal of a Conceptual Map”. Design and Technology Education: An International Journal, vol. 26, no. 3-2, Nov. 2021, pp. 245-60, https://openjournals.ljmu.ac.uk/DesignTechnologyEducation/article/view/1335.