SANGODAPO, Akinbode; MAMMAN, Joshua Sule; OLAWALE, Adejare Oluwafemi; POPOOLA, Kudirat Nike. Influence of Office Management Skills on Principals’ Administrative Efficiency in Osun State Public Secondary Schools. Kwasu International Journal of Educational Management and Leadership, [S. l.], v. 1, n. 2, p. 26–37, 2026. Disponível em: https://journals.kwasu.edu.ng/index.php/kijemal/article/view/729.. Acesso em: 5 oct. 2026.