1. Chen, Q.S. (2019). Global Mining Development Report 2019, China Geological Survey Bureau of Ministry of Natural Resources.
2. Ministry of Commerce of the People’s Republic of China, National Bureau of Statistics, and State Administration of Foreign Exchange (2020). Statistical Bulletin of China’s Outward Foreign Direct Investment (2003–2020), China Commerce and Trade Press.
3. Study on environmental risk evaluation of overseas mining investment;Zheng;Gold Sci. Technol.,2018
4. Jiang, Y. (2017). Risk Evaluation of Overseas Mining Investment Based on Grey System Theory, China University of Mining & Technology.
5. Gu, C.Y. (2019). Research on Risk Evaluation of China’s Overseas Mining Investment Based on Deep Learning, China University of Geosciences.