Jung, Jin-Heon Religious Diversity, MPI for the Study of Religious and Ethnic Diversity, Max Planck Society;
http://www.mmg.mpg.de/en/publications/working-papers/2014/wp-14-07/ (Publisher version)
WP_14-07_Jung%20Ballooning%20Evangelism.pdf (Any fulltext), 2MB
Jung, J.-H. (2014). Ballooning evangelism: Psychological warfare and christianity in the divided Korea. MMG Working Paper, (14-07).