MACUN, Y.; IŞIK, C. Effect of Problem-Based STEM Activities on 7th Grade Students’ Mathematics Achievements, Attitudes, Anxiety, Self-Efficacy and Views. International Journal of Contemporary Educational Research, [S. l.], v. 9, n. 1, p. 87–102, 2022. DOI: 10.33200/ijcer.1008456. Disponível em: https://ijcer.net/index.php/pub/article/view/224. Acesso em: 4 may. 2024.