1. US Government. (2018) “National Cyber Strategy of the United States of America.” https://www.whitehouse.gov.
2. China Institute of information and communication. (2019) “White paper on the development of China’s digital economy.” http://www.caict.ac.cn.
3. Barefoot Kevin, Curtis Dave, Jolliff William, et al. (2018) “Defining and Measuring the Digital Economy.” BEA Working Paper.
4. Stats NZ. (2017) “Valuing New Zeeland’s Digital Economy.” http://www.oecd.org.
5. “Digital Economy Report 2019 Value Creation and Capture: Implication for Developing Countries.”;UNCTAD,2019