OKAI N. OKAI. Environmental factors and academic staff performance in public universities in rivers state . International Journal on Integrated Education, [S. l.], v. 3, n. 5, p. 41–49, 2020. DOI: 10.31149/ijie.v3i5.380. Disponível em: https://journals.researchparks.org/index.php/IJIE/article/view/380. Acesso em: 14 nov. 2026.