Okon, U. A. ., Victor, A. C. . and Ikechukwu, A. E. . (2018) “Employee Loyalty and Organizational Citizenship Behaviour in the Port Harcourt Area Command of the Nigeria Police Force”, International Journal of Business, Economics and Management, 5(6), pp. 135–145. doi: 10.18488/journal.62.2018.56.135.145.