Ralle, Bernd, and Thomas Roßbegalle. “Improving students’ Understanding of Greenhouse Effect, Acid Rain and the Depletion of Stratospheric Ozone”. LUMAT: International Journal on Math, Science and Technology Education 4, no. 1 (June 30, 2016): 27–39. Accessed November 21, 2024. https://journals.helsinki.fi/lumat/article/view/1289.