Modeling the Geography Class through Problem-Based Teaching: a Case Study from Novi Sad, Serbia. Journal of Subject Didactics, [S. l.], v. 1, n. 1, p. 13–23, 2016. DOI: 10.5281/zenodo.55471. Disponível em: http://147.91.73.126/index.php/JSD/article/view/33.. Acesso em: 5 oct. 2024.