Regional Variance of Multiple Birth Rate in Korea: 2009-2013
Journal of Health Informatics and Statistics. 2016;41(4):436-442 
Childcare and Measures Targeting Japan’s Low Birth Rate: What Effect Can the Decentralization of Authority Have on the Birth Rate?
Economic Challenges Facing Japan’s Regional Areas. 2018;145-154
Birth of Democracy
Korea Betrayed. 2009;103-117
Measures to Address Japan’s Low Birth Rate
Economic Challenges Facing Japan’s Regional Areas. 2018;131-135
Secular Trends of Multiple Birth Rate in Korea: 1981–2017
Journal of The Korean Society of Maternal and Child Health. 2019;23(3):202-208
Multiple Sclerosis
Regional Anesthesia and Pain Management. 2009;354-355
The asymptotic variance rate of the output process of finite capacity birth-death queues
Queueing Systems. 2008;59(2):135-156
Secular Trend of Gestational Age Specific Preterm Birth Rate in Korean Singleton and Multiple Birth: 1997-98, 2013-14
Journal of Health Informatics and Statistics. 2017;42(1):10-15
CHAPTER 9. Urbanization and the regional variation in birth rate and education
Urban-regional Development in South America. 1975;171-183
Ambient temperature, birth rate, and birth outcomes: evidence from South Korea
Population and Environment. 2019;41(3):330-346