THI, N. T.; LE THUY, N. T.; HA, V. T. T. Using problem-based learning to enhance critical thinking in university classrooms. International journal of economic perspectives, [S. l.], v. 19, n. 3, p. 888–898, 2025. Disponível em: http://ijeponline.org/index.php/journal/article/view/913. Acesso em: 13 nov. 2025.