1. What is the temperature in outer space?;ScienceABC,2019
2. A comprehensive cost-volume-profit analysis under uncertainty;The Accounting Review,1977
3. Agence France-Presse (2018), “At 60, NASA shoots for revival of moon glory days,” available at: https://www.france24.com/en/20180727-60-nasa-shoots-revival-moon-glory-days (accessed 2 April 2019).
4. Agence France-Presse (2019), “NASA heading back to Moon soon, and this time to stay”, available at: https://news.yahoo.com/nasa-heading-back-moon-soon-time-stay-230656886.html (accessed 2 April 2019).
5. Taxes in an e-commerce generation;International Tax and Public Finance,2017