Problem-Based Learning in Blended Classrooms: An Approach in Covid 19 Emergency Situation. Journal of Education and Educational Development, Pakistan, v. 11, n. 1, p. 142–171, 2024. DOI: 10.22555/joeed.v11i1.937. Disponível em: https://journals.iobm.edu.pk/index.php/joeed/article/view/937. Acesso em: 4 apr. 2026.