“Performance of First-Year Undergraduate Students Attending Exact Sciences Courses in Problems of the Additive Conceptual Field”. Acta Scientiarum. Education 37, no. 4 (outubro 1, 2015): 383–390. Acesso em maio 31, 2026. https://periodicos.uem.br/ojs/index.php/ActaSciEduc/article/view/19955.