1. M. Weinzierl, M. Sarang, The Commercial Space Age Is Here, Harvard Business Review. (2021). https://hbr.org/2021/02/the-commercial-space-age-is-here (accessed 29 August 2023).
2. New Space Economy: the Future Is Now?;Haverty,2023
3. Human resource development and management in the Philippines' national space capacity building program;Ambatali;Adv. Space Res.,2024