Trivic DD, Milanovic VD. The macroscopic, submicroscopic and symbolic level in explanations of a chemical reaction provided by thirteen-year olds. J. Serb. Chem. Soc. [Internet]. 2018 Oct. 31 [cited 2024 Dec. 22];83(10):1177-92. Available from: https://shd-pub.org.rs/index.php/JSCS/article/view/6313