Investigating the impact of main factors on problem-solving confidence using cooperative learning: A case study. New Trends and Issues Proceedings on Humanities and Social Sciences, [S. l.], v. 4, n. 9, p. 66–73, 2018. DOI: 10.18844/prosoc.v4i9.3043. Disponível em: https://un-pub.eu/ojs/index.php/pntsbs/article/view/3043. Acesso em: 11 may. 2024.