1. Adamu, A., Darma, M., (2017). Economic Analysis of Gas Pipeline Projects in Nigeria. Journal of economics and sustainable development, 8(2).
2. Alexiou, C., (2014). Modeling Investment Behavior: Emerging Evidence, https//www.researchgate.net/publication/266677632
3. Biose, H., (2019). Gas Pipelines in Nigeria: Sine Qua Non for Economic Development, International Journal of Engineering Technologies and Management Research, 6 (4), https://core.ac.uk/download/pdf/211976549.pdf
4. Clark, J.M. (1917). Business Acceleration and the Law of Demand: A Technical Factor in Economic Cycles, Journal of Political Economy 25(1): 217-35
5. Demissie, A., Zhu, W., Taye, C., (2017). A Multi-objective Optimization Model for Gas Pipeline, Computers and chemical engineering, http://dx.doi.org:10.1016/j.compchemeng.2017.02.01