• GOXI – Sharing in governance of extractive industries: goxi.org/
• Natural Resource Governance Institute (NRGI): www.resourcegovernance.org/
• African Tax Administration Forum, ATAF: www.ataftax.org
• Extractive Industries Transparency Initiative (EITI): eiti.org/
• EITI Beneficial Ownership
• Good-fit practice in activities in the international oil, gas & mining industries: http://www.eisourcebook.org/
• The Organisation for Economic Co-operation and Development (OECD): www.oecd.org/ctp/transfer-pricing/
• U4 Anti-Corruption Resource Centre: www.u4.no/
• Publish What You Pay, www.publishwhatyoupay.org/
• The World Bank one IE topics: ww.worldbank.org/en/topic/extractiveindustries
• Sovereign Wealth Fund Institute: www.swfinstitute.org/
• Inter-American Dialogue – Energy Policy: www.thedialogue.org/energy
• Chatham House – Resources: www.chathamhouse.org/research/topics/resources
• PetroWiki: http://petrowiki.org/PetroWiki
• Tax Justice Network: http://www.taxjustice.net/
• One Petro: https://www.onepetro.org/
• Open Oil: https://openoil.net/
• Petropedia – explaining concepts and theories of the Energy Business: https://www.petropedia.com
• Trenchlesspedia – Trenchless solutions through education: https://www.trenchlesspedia.com/
• PetroKnowledge: http://www.petroknowledge.com/ 
• Resource Contracts: https://resourcecontracts.org/

Interest Groups

• International organization of oil and gas producers www.iogp.org/
• Organization of the Petroleum Exporting Countries: www.opec.org/opec_web/en/index.htm
• The global oil and gas industry association for environmental and social issues: ipieca.org/
• International Council of Mining and Minerals: www.icmm.com/

Extractive Industries technical guides

• IFC Extractive Industries Review: Extractive Industries Review
• EY Global Oil and Gas Tax Guide www.ey.com/GL/en/Services/Tax/Global-oil-and-gas-tax-guide—Country-list
• International Forum of Sovereign Wealth Funds https://www.ifswf.org/

Other useful resources

• • Documentary which tells the story of a small American oil company struggling to drill the first commercial oil field in Ghana www.bigmenthemovie.com/
  • It covers all aspects of creating and delivering a presentation presentationskills.me/

INTOSAI, Regional and other SAI related material

• INTOSAI Working Group on Environmental Auditing (WGEA): www.environmental-auditing.org/
• INTOSAI-Donor Cooperation Extractive Industries Audit – The Role of Supreme Audit Institutions
• UNDP Extractive Industries for Sustainable Development: Extractive Industries