1. OPEC’s Pursuit of Market Stability
2. Celta D.J., Dahl Carol (2000). “OPEC as a Social Welfare Maximizer.” Cahiers de recherche. GREEN. https://econpapers.repec.org/paper/lvllagrcr/0002.htm.
3. Center for Business History (2023). “Nobel Brothers.” Nobel brothers, December. https://www.branobelhistory.com/.
4. Improving the way we think about projecting future energy use and emissions of carbon dioxide
5. Luter Paul (2005). “Lord Dundonald Father of the British Tar Industry.” https://oldcopper.org/broseley/lord_dundonald.html.