Nwogu, Dr. Cecilia Ugochukwu Kechinyerem. “Co-Creation and Delivery Performance in Oil and Gas Firms in Port Harcourt”. International Journal of Development and Public Policy 3, no. 6 (June 23, 2023): 15–32. Accessed July 22, 2024. https://openaccessjournals.eu/index.php/ijdpp/article/view/2197.