SCHEIE, E.; STROMHOLT, S. “The Sustainable Backpack”: Exploring possibilities in education for sustainable development through a nationwide professional development program. Acta Didactica Norge, [S. l.], v. 13, n. 2, p. Art. 5, 22 sider, 2019. DOI: 10.5617/adno.6473. Disponível em: https://journals.uio.no/adno/article/view/6473. Acesso em: 17 okt. 2021.