J., Kaki,; E. J, Egwunyenga,; J. E, Anho. Staff Development Practices and Teacher Performance in Missionary Secondary Schools in Bayelsa State. International Journal of Academic Research in Progressive Education and Development, [S. l.], v. 12, n. 2, 2023. Disponível em: https://ijarped.com/index.php/journal/article/view/1258. Acesso em: 8 jul. 2025.