J. Kinyero, K. Osaki, and P. M. Mwila , Trans., “Instructional Supervision and Quality Assurance Practices in English Language Teaching: Evidence from Rural Tanzanian Secondary Schools”, Int. J. Educ. Found., vol. 3, no. 1, pp. 75–83, Dec. 2025, doi: 10.33687/ijef.003.01.0083.