Leitão, Mafalda Franco, Albino Cunha, and Manuela Malheiro Ferreira. “Water-Education As a Promoter of Education for Sustainable Development: Three Studies in Portuguese-Speaking African Countries”. European Journal of Sustainable Development 9, no. 2 (June 1, 2020): 192. Accessed November 25, 2024. https://ojs.ecsdev.org/index.php/ejsd/article/view/1020.