Rotimi Akinnuoye. “Leadership Management Styles: An Imperative for Employee Motivation Among GSM Service Providers in Port Harcourt”. American Journal of Economics and Business Management 4, no. 8 (October 14, 2021): 23–33. Accessed July 12, 2025. https://www.globalresearchnetwork.us/index.php/ajebm/article/view/576.