Instructional Supervision and Quality Assurance Practices in English Language Teaching: Evidence from Rural Tanzanian Secondary Schools. International Journal of Education Foundations, [S. l.], v. 3, n. 1, p. 75–83, 2025. DOI: 10.33687/ijef.003.01.0083. Disponível em: https://ijef.esciencepress.net/index.php/journal/article/view/83. Acesso em: 20 sep. 2026.