KASSIM, K. S. .; MATETE, R. E. . Contribution of External Quality Assurance in Improving Instructional Practices among Heads of Schools and Teachers in Secondary Schools in Zanzibar. JOURNAL OF ISSUES AND PRACTICE IN EDUCATION, [S. l.], v. 15, n. 2, 2024. DOI: 10.61538/jipe.v15i2.1391. Disponível em: https://journals.out.ac.tz/index.php/jipe/article/view/1391. Acesso em: 1 aug. 2025.