HÜTTEL, Hans; GNAUR, Dorina. If PBL is the answer, then what is the problem?. Journal of Problem Based Learning in Higher Education, [S. l.], v. 5, n. 2, 2017. DOI: 10.5278/ojs.jpblhe.v5i2.1491. Disponível em: https://journals.aau.dk/index.php/pbl/article/view/1491. Acesso em: 22 jul. 2024.