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, Jordan, v. 15, n. 1, p. 71–84, 2022. Disponível em: https://ijfscfrtjournal.isrra.org/Formal_Sciences_Journal/article/view/707. Acesso em: 12 oct. 2025.