Abana Clement Unimke. “Administrator’s Supervisory Role and Perceived Internal Peace in Public Secondary Schools in Cross River State, Nigeria”. International Journal of Formal Sciences: Current and Future Research Trends 15, no. 1 (October 11, 2022): 71–84. Accessed October 12, 2025. https://ijfscfrtjournal.isrra.org/Formal_Sciences_Journal/article/view/707.