Oshishepo, S., Ahmed, R., & Genda, V. (2021). Impact of Manpower Training and Development on Staff Productivity in Nasarawa State Investment Property and Development Company (NIPDC), Lafia, Nasarawa State, Nigeria. NIU Journal Of Social Sciences, 7(2), 105-109. Abgerufen am August 26, 2026 von https://www.niujournals.ac.ug/ojs/index.php/niujoss/article/view/1228