WISMATH, S.; ORR, D.; MACKAY, B. Threshold concepts in the development of problem-solving skills. Teaching and Learning Inquiry, [S. l.], v. 3, n. 1, p. 63–73, 2015. DOI: 10.20343/teachlearninqu.3.1.63. Disponível em: https://journalhosting.ucalgary.ca/index.php/TLI/article/view/57404. Acesso em: 24 apr. 2024.