1. Akpan, N. 2019. “How the Shutdown Might End, according to Game Theory.” PBS News Hour, January 17, 2019. https://www.pbs.org/newshour/science/how-the-shutdown-might-end-according-to-game-theory
2. Barrett, B. 2017. “North Korea’s Plenty Scary without an Overhyped EMP Threat.” Wired, November 1, 2017. https://www.wired.com/story/north-korea-emp-threat/
3. Bennett, B. W., Kang Choi, Myong-Hyun Go, Bruce E. Bechtol, Jiyoung Park, Bruce Klingner, and Du-Hyeogn Cha. 2021. Countering the Risks of North Korean Nuclear Weapons. Santa Monica Calif: RAND Corp. https://www.rand.org/pubs/perspectives/PEA1015-1.html