Alao, M. A., Usman, M., Amuzat, A., Akanbi, K. A., & Abdulraheem, O. J. (2026). Ethnicity and Workplace Behaviour: An Empirical Examination of Counterproductive Work Behaviour among Employees in Niger State Polytechnic, Zungeru. UMYU Journal of Business Administration and Management, 2(1), 99-112. https://doi.org/10.56919/jbam.2621.006