Abraham Musa Peter and Bosede Betty Julius (2022) “AN IMPACT ASSESSMENT OF MANPOWER DEVELOPMENT ON PRODUCTIVITY IN THE KOGI STATE CIVIL SERVICE COMMISSION, 2011 – 2015”, Zamfara Journal of Politics and Development, 3(2), p. 9. Available at: https://zjpd.com.ng/index.php/zjpd/article/view/92 (Accessed: 28October2026).