Collaborative Action Development for Community Disaster Reduction by Utilizing the Yonmenkaigi System Method. - Jong il Na; Norio Okada; Liping Fang (SMC, 2009)

A participatory workshop approach to scenario development for disaster relief, response and recovery processes. - Jong il Na; Norio Okada; Liping Fang (SMC, 2010)

Utilization of the Yonmenkaigi System Method for community building of a disaster damaged village in Korea. - Jong il Na; Norio Okada; Liping Fang (SMC, 2012)

Conflict Analysis on the Enforced-Move-by-Majority Rule in a Group Decisionmaking Situation. - Kei Fukuyama; Jong il Na; Takashi Kawabata (SMC, 2013)

On strategic behaviors and prevention rules in participatory group decision processes. - Kei Fukuyama; Hiroshi Nagafuchi; Hikaru Fujita; Jong il Na; Hiroshi Kawabata (SMC, 2014)