Trivic, Dragica D., and Vesna D. Milanovic. “The Macroscopic, Submicroscopic and Symbolic Level in Explanations of a Chemical Reaction Provided by Thirteen-Year Olds”. Journal of the Serbian Chemical Society 83, no. 10 (October 31, 2018): 1177–1192. Accessed April 24, 2024. https://shd-pub.org.rs/index.php/JSCS/article/view/6313.