six co-author

Kim Haesoon: Former Dean of Department of Korean Studies, Goethe University, Germany 

Lee Sangman: Honorary Professor, College of Business & Economics, Chungang University 

Park Chanseok: Professor, Department of Ethics Education, Gongju University of Education 

Kim Byungwook: Instructor, Department of Political Science and International Relations 

Lee Geunyoung: Professor, Politics and Public Administration, Yanbian University, China (major: administrative management)