HAILU, S. "Teahers’ Estimation of Test Items Difficulty as an Indicator of their Prior Knowledge of Academic Performance". The Ethiopian Journal of Education, [S. l.], v. 12, n. 2, p. 103–106, 2024. Disponível em: http://ejol.aau.edu.et/index.php/EJE/article/view/10933. Acesso em: 13 jan. 2025.