JACOB, O. N.; SAMUEL, A.; ELIZABETH I, A.; PAJO, W. Staff Development Programme for Primary Education Teachers in Nigeria: Challenges and Ways Forwards. International Journal of Marketing & Human Resource Research, [S. l.], v. 1, n. 01, p. 52-63, 2020. Disponível em: https://journal.jis-institute.org/index.php/ijmhrr/article/view/80. Acesso em: 16 oct. 2026.