KEFELE, M. . DEVELOPING THE SKILLS OF USING SOURCE MATERIALS IN WRITING ESSAYS. The Ethiopian Journal of Education, [S. l.], v. 15, n. 1, p. 49–93, 1994. Disponível em: https://ejol.aau.edu.et/index.php/EJE/article/view/11081. Acesso em: 28 apr. 2025.