MEHARI, A.; KASSAHUN, B. . Effect of Slide Projector-assisted Classroom Instruction on Students’ Exam Scores in a One-Group Quasi-experimental Study. Dilla Journal of Education, [S. l.], v. 4, n. 1, p. 36–46, 2025. DOI: 10.20372/dje.v04i01.04. Disponível em: https://journal.du.edu.et/index.php/dje/article/view/81. Acesso em: 21 may. 2026.