WUAM, P. W.; BULUS, M. A. In-Service Education and Professional Development as Tools for Enhancing Geography Teachers’ Job Performance in Nigerian Secondary Schools. African Journal of Humanities and Contemporary Education Research , [S. l.], v. 4, n. 1, p. 110–120, 2022. Disponível em: https://publications.afropolitanjournals.com/index.php/ajhcer/article/view/133. Acesso em: 27 oct. 2026.