OWUSU-MINTAH, S. B.; KISSI, M. Motivation and Improvement in Employee Performance in The Restaurant Industry in Ghana. AFRICAN JOURNAL OF APPLIED RESEARCH, [S. l.], v. 2, n. 2, 2016. Disponível em: https://www.ajaronline.com/index.php/AJAR/article/view/187. Acesso em: 4 may. 2024.