BOLSTAD, T.; LUNDHEIM, L.; STRØMBERG, A.; ORLANDIC, M.; ZIMMERMANN, P. H. Sustainability in project-based learning: Project themes and self-perceived competencies. Nordic Journal of STEM Education, [S. l.], v. 5, n. 1, 2021. DOI: 10.5324/njsteme.v5i1.3925. Disponível em: https://www.ntnu.no/ojs/index.php/njse/article/view/3925. Acesso em: 30 apr. 2025.