The Role of Higher Diploma Program in Improving Trained Teachersa Classroom Teaching Methods: Focused on Selected CTE of Oromia. Global Journal of Human-Social Science, [S. l.], v. 17, n. G1, p. 5–39, 2017. Disponível em: https://socialscienceresearch.org/index.php/GJHSS/article/view/101378. Acesso em: 19 feb. 2026.