Herranen, Jaana, Sakari Tolppanen, Veli-Matti Vesterinen, ja Maija Aksela. 2017. ”Students As Teachers: Design of a Student-Led Course on Sustainability Education”. LUMAT-B: International Journal on Math, Science and Technology Education 2 (3):87-90. https://journals-21.hulib.helsinki.fi/lumatb/article/view/1173.