OGBONNAYA EJIM, O.; SUNDAY UMEH, C.; FAVOUR OKOLI, E. HUMAN RESOURCE DEVELOPMENT AND STAFF PERFORMANCE IN ABIA STATE BOARD OF INTERNAL REVENUE, UMUAHIA. African Journal of Social and Behavioural Sciences, [S. l.], v. 16, n. 1, 2026. Disponível em: https://journals.aphriapub.com/index.php/AJSBS/article/view/3607. Acesso em: 13 mar. 2026.