Evaluation of Cognitive Complexity of Tasks for the Topic Hydrogen Exponent in the Solutions of Acids and Bases. Journal of Subject Didactics, [S. l.], v. 2, n. 1, p. 33–45, 2018. DOI: 10.5281/zenodo.1238972. Disponível em: http://147.91.73.126/index.php/JSD/article/view/198.. Acesso em: 5 oct. 2024.