吉川特任教授、“The Regional Security System in East Asia: The Dilemma of the US-Japan Security Alliance”『広島平和研究』第7号、Vol.7, 2020年3月、43-60頁を寄稿
Specially Appointed Prof. Kikkawa contributes an article entitled, “Regional Security System in East Asia,” in Hiroshima Peace Research Journal, Vol.7, pp.43-60.