1. Ap, T. (2016, February 9). North Korea satellite ‘tumbling in orbit,’ U.S. official says. Retrieved November 24, 2016, from
http://www.cnn.com/2016/02/08/asia/north-korea-rocket-launch/
.
2. Calida, B. Y. (2016). Complex system governance: moving diverse theory to practice.
International Journal of System of Systems Engineering, 7(1/2/3), 22–42.
https://doi.org/10.1504/IJSSE.2016.076125.
3. CNSSDP. (2016). National security space defense and protection: Public report, Committee on National Security Space Defense and Protection; Division on Engineering and Physical Sciences; National Academies of Science, Engineering, and Medicine. Washington, DC: The National Academies Press.
4. David-Braunschvig, R. L. G., & Jeremy, C. M. (2003). Space diplomacy. Foreign Affairs, 82(4), 156–164.
5. Dillon, R. M. (2014, May 29). SpaceX’s Elon Musk unveils spacecraft designed to fly astronauts to space station. US News & World Report. Retrieved December 4, 2016, from
http://www.usnews.com/news/science/news/articles/2014/05/29/elon-musk-unveils-spacecraft-to-ferry-astronauts
.