KASSAHUN, D. . Challenges and Opportunities of Mainstreaming Environmental Education into the Curricula of Teachers’ Colleges of Ethiopia. The Ethiopian Journal of Education, [S. l.], v. 27, n. 2, p. 1–24, 2021. Disponível em: http://ejol.aau.edu.et/index.php/EJE/article/view/361. Acesso em: 10 jan. 2025.