Lavonen, Jari, Kalle Juuti, Tiina Korhonen, Minna Kukkonen, and Kati Sormunen. “Improving in-Service Teacher educators’ Competences through Design-Based Research”. LUMAT: International Journal on Math, Science and Technology Education 3, no. 2 (June 30, 2015): 213–222. Accessed November 10, 2024. https://journals-21.hulib.helsinki.fi/lumat/article/view/1044.