Lupunen, Veera. “Algorithms in the Lower Secondary School: Why and How to Teach Them in Mathematics Class?”. LUMAT-B: International Journal on Math, Science and Technology Education 7, no. 2 (June 7, 2022): 103–122. Accessed November 7, 2025. https://journals-21.hulib.helsinki.fi/lumatb/article/view/1809.