Getu Tefera Woldegebriel, Abiy Yigzaw, Kassie Shiefere, Zewdu Emiru. Teacher effectiveness in English-medium instruction and students’ academic achievement: A value-added model in action. Bahir Dar j. educ. [Internet]. 2025Feb.28 [cited 2026Feb.1];24(3):57-75. Available from: http://journals.bdu.edu.et/index.php/bje/article/view/2137