[Dissertations]
2011. Labour Market Risks and Institutional Determinants: An International Comparative Study of Institutions and Non-standard Employment with a Focus on East Asia. The University of Oxford.
http://ora.ouls.ox.ac.uk/objects/uuid%3A25328c2c-1db6-4ccb-ade3-78f2e05d7cad
2006. Social and Economic Factors for International Immigration Inflow. Master Thesis. Seoul National University