Yakpe, M. A., Y. A. Woru, and M. Isah. “Effects of Manpower Training and Development on Employee’s Performance in Niger State Polytechnic Zungeru, Bida Campus, Nigeria”. African Journal of Management and Business Research, vol. 13, no. 1, Dec. 2023, pp. 201-13, https://publications.afropolitanjournals.com/index.php/ajmbr/article/view/659.