VYSHKIN, Efim. Trends in Education for Sustainable Development in Some Former Soviet Countries (Use of ESD Potential for Provincial and Regional Studies). ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference, Rezekne, Latvia, v. 1, p. 246–249, 2015. DOI: 10.17770/etr2013vol1.839. Disponível em: https://journals.rta.lv/index.php/ETR/article/view/839.. Acesso em: 21 dec. 2024.