Hentula, Henniina, Veera Sinikallio, and Verneri Hartus. “LOISKIS! - Vesitutkimuksia Luonnossa”. LUMAT-B: International Journal on Math, Science and Technology Education 4, no. 1 (August 7, 2019): 66–73. Accessed July 6, 2025. https://journals-21.hulib.helsinki.fi/lumatb/article/view/1135.