Relationship Between School Facilities Maintenance and Secondary School Teachers’ Effectiveness in Mubi Education Zone, Adamawa State. Kashere Journal of Education, [S. l.], v. 10, n. 1, p. 300–310, 2026. Disponível em: https://kasherejournalofeducation.org/index.php/kje/article/view/264. Acesso em: 5 oct. 2026.