USUMANU, A. Y. An Assessment of Performance Management System: A Case Study of Electricity Company of Ghana-Western Region. The International Journal of Business & Management, [S. l.], v. 5, n. 12, 2017. Disponível em: https://internationaljournalcorner.com/index.php/theijbm/article/view/125675. Acesso em: 5 nov. 2024.