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2. Digital Economy Report 2019: United Nations Conference on Trade and Development (United Nations, Geneva, 2019).
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5. China’s crude oil demand seen peaking at 705 mln t around 2030—CNPC research, Reuters, December 5, 2019. https://www.reuters.com/article/china-energy-forecast-cnpc-idAFL4N28F1YW. Cited December 10, 2019.