1. MarketLine, “Oil & Gas Industry Profile: Global,” MarketLine, 2014.
2. H. Devold, Oil and gas production handbook, Oslo: ABB Oil and Gas, 2013.
3. “Key performance indicators for measuring construction success”;Chan;Benchmarking: an international journal,2004
4. M. Alexandrova and L. Ivanova, “Critical success factors of project management: empirical evidence from projects supported by EU programmes,” in the International ASECU Conference on “Systematic Economics Crisis: Current Issues and Perspectives, Skopje, Macedonia, 2012.
5. “Risk management in oil and gas construction projects in Vietnam”;Thuyet;International Journal of Energy Sector Management,2007