Ollila, Arja, Tanja Aho, Tiina Helminen, Anne Helppolainen, Katri Mäkelä, and Ville- Pekka Pulkkinen. “Concept of Solubility, Soft Drinks and Pectin Jelly”. LUMAT: International Journal on Math, Science and Technology Education 1, no. 2 (May 30, 2013): 219–228. Accessed November 22, 2024. https://journals.helsinki.fi/lumat/article/view/1117.