ENEH, S. I.; ANYADIGHIBE, J. A.; ETUK, A. Bonus payment and employee output in cement manufacturing companies in south-south, Nigeria. International journal of economic perspectives, [S. l.], v. 13, n. 1, p. 69–84, 2019. Disponível em: http://ijeponline.org/index.php/journal/article/view/289. Acesso em: 13 nov. 2025.