145
List of Souces
1. Direct Official data and Information
2. Country Papers Submitted To Arab Energy Conferences
3. Publications of Petroleum Institutions and Agencies
4. National Statistical Publications of Arab Countries
5. League of Arab States, Joint Arab Economic Report, 2017
6. OPEC Annual Statistical Bulletin, 2017
7. BP Statistical Review of World Energy, 2017
8. US. Energy Information Administration (EIA), International Energy Statistics (IES).