Jung, Jin-Heon Religious Diversity, MPI for the Study of Religious and Ethnic Diversity, Max Planck Society;
http://www.ucanews.com/news/why-do-most-north-korean-migrants-choose-to-be-protestant/74427 (Any fulltext)
Jung, J.-H. (2015). Why do most North Korean migrants choose to be Protestant? Understanding North Koreans as people is better than wooing them with gifts. UCA News.