Ekwoaba, Joy O., Francis Chukwudike, and Odetunde Oladimeji Jamiu. “SERVICOM Policy, Workplace Deviance and Service Delivery in Nigerian Airspace Management Agency (NAMA)”. Nigerian Academy of Management Journal 12, no. 1 (October 1, 2017): 53–69. Accessed April 16, 2026. https://namj.tamn-ng.org/index.php/home/article/view/115.