1. The Space Economy in Figures: How Space Contributes to the Global Economy,2019
2. Space accounting;Alewine;Account Audit. Account. J.,2020
3. A Trillion-Dollar Space Industry Will Require New Markets;Foust,2018
4. The Space Industry Will Be Worth Nearly $3 Trillion in 30 Years;Sheetz,2017
5. NASA (2018) NASA Completes Webb Telescope Review, Commits to Launch in Early 2021. NASA. https://www.nasa.gov/press-release/nasa-completes-webb-telescope-review Accessed: 27 June 2022.