Kaipainen, Jouni, and Eila Lindfors. “Reducing Occupational Safety Incidents As a Precondition to Teaching Technology in Special Education”. Techne Series - Research in Sloyd Education and Craft Science A, vol. 28, no. 2, Apr. 2021, pp. 340-7, https://journals.oslomet.no/techneA/article/view/4349.