1. Al-Bayati H. (2020), Donald Trump’s New World Order. U.S. Credibility, reputation and integrity, London.
2. Anawar H. (2020), Recovery of Resources from REE Mine Tailling and Waste, REE Fertilizer Application and Envronmental Effects, in: Sutainable and Economic Waste Management. Resource Recovery Techniques, (eds.) H. Anawar, V. Strezov, Abhilash, New York.
3. Baker C. (2020), The Trump administration’s major environmental deregulations, https://www.brookings.edu/blog/up-front/2020/12/15/the-trump-administrations-major-environmental-deregulations/ (18.06.2023).
4. Basov V. (2022), MP Materials secures heavy rare earth processing contract with the U.S. Department of Defense, https://www.kitco.com/news/2022-02-22/MP-Materials-secures-heavy-rare-earth-processing-contract-with-the-U-S-Department-of-Defense.html (18.06.2023).
5. Benvenuto M. (2022), Materials Chemistry for Scientists and Engineers, Berlin–Boston.