AKERELE, Onyinye; OKOJIE, Dr. Victoria. IMPACT OF PROFESSIONAL DEVELOPMENT PROGRAMMES ON THE JOB PERFORMANCE OF LIBRARY STAFF IN THE NATIONAL LIBRARY OF NIGERIA. Nigerbiblios: Journal of National Library of Nigeria, [S. l.], v. 35, n. 2, p. 35–49, 2026. Disponível em: https://nigerbiblios.nln.gov.ng/index.php/nigerbiblios/article/view/502. Acesso em: 7 jun. 2026.