GRAS-VELAZQUEZ, A.; FRONZA, V. Sustainability in formal Education: ways to integrate it now. IUL Research, [S. l.], v. 1, n. 2, p. 154–175, 2020. DOI: 10.57568/iulres.v1i2.84. Disponível em: https://iulresearch.iuline.it/index.php/IUL-RES/article/view/84. Acesso em: 25 mar. 2023.