Fiberesima , Damiebi Denni-, and Nazatul Shimax Abdul Rani. “An Evaluation of Critical Success Factors in Oil and Gas Project Portfolio in Nigeria”. Advances in Aquaculture and Fisheries Management, vol. 8, no. 1, Jan. 2020, pp. 715-32, https://elixirpublishers.in/index.php/aiafm/article/view/2157.