Holik, Ana-Andrea, and Dragica Trivić. “The Effects of Online Learning about the Brønsted-Lowry Theory of Acids and Bases in the First Grade of Grammar School During the COVID-19 Pandemic: Scientific Paper”. Journal of the Serbian Chemical Society 89, no. 2 (March 4, 2024): 275–289. Accessed December 3, 2024. https://shd-pub.org.rs/index.php/JSCS/article/view/12339.