Osatohanmwen , Juliet O, and Regina B Danner. “A Survey of Upper Basic Teachers Use of Instructional Materials in English Language Instruction”. Benin Journal of Educational Studies 23, no. 1&2 (May 12, 2014): 106–117. Accessed July 7, 2025. https://beninjes.com/index.php/bjes/article/view/65.