- Germany 's Near East policy at the turn of the 20th and 21st century2013 | Faculty of Social Sciences
- Changing Image of the Balkan Region in Visions of University Students at the Turn of 20th and 21st Century2006 | Publication without faculty affiliation
- Contemporary Economics As Seen by Three Generations2013 | Publication without faculty affiliation
- Interpretations of Influences and Significance of Tonghak Peasant Movement and its Comparison in ROK History Textbooks from 20th and 21st Century2017 | Faculty of Arts