Schulz-Schaeffer, Ingo. “Affordance, Role, and Script As Complementary Concepts of Artefact-User Interaction, Illustrated by the Example of an Egg Separator”. Science & Technology Studies 34, no. 4 (December 15, 2021): 74–93. Accessed April 7, 2025. https://sciencetechnologystudies.journal.fi/article/view/89519.