Piyada Jutaviriya และ Siriporn Wajjawalku. (2008) The role of Japan toward the nuclear crises on the Korean Peninsula since 1990s. Faculty of Political Science, Thammasat University,:ม.ป.ท.Piyada Jutaviriya และ Siriporn Wajjawalku. 2008. The role of Japan toward the nuclear crises on the Korean Peninsula since 1990s. ม.ป.ท.:Faculty of Political Science, Thammasat University,;Piyada Jutaviriya และ Siriporn Wajjawalku. The role of Japan toward the nuclear crises on the Korean Peninsula since 1990s. ม.ป.ท.:Faculty of Political Science, Thammasat University, 2008. Print.