NGUYEN, L. C. .; NGO, N. V. .; NGOC, N. T. L. .; HUNG, M. V. . Impact of problem-based learning on critical thinking: An exploration with middle school students. International Journal of Innovative Research and Scientific Studies, [S. l.], v. 8, n. 2, p. 2809–2819, 2025. DOI: 10.53894/ijirss.v8i2.5819. Disponível em: https://ijirss.com/index.php/ijirss/article/view/5819. Acesso em: 16 apr. 2025.