WENCHEKO, E. . A Study of Performance of Teacher and Non-Teacher Streams Graduates with Reference to Natural Sciences II: A Test about the Dispersion. The Ethiopian Journal of Education, [S. l.], v. 20, n. 2, p. 1–17, 2000. Disponível em: http://ejol.aau.edu.et/index.php/EJE/article/view/11137. Acesso em: 10 jan. 2025.