1. Fertility Rates and Abortion Rates: Simulations of Family Limitation
2. The Initiation of Contraception
3. Park, B. T., Choi, B. M. and Kwon, H. Y.The 1976 National Fertility and Family Planning Evaluation Survey, 112–112. Seoul: Korean Institute for Family Planning.
4. The changing tempo of fertility in Korea
5. Park, B. T., Choi, B. M. and Kwon, H. Y.The 1976 National Fertility and Family Planning Evaluation Survey, 185–186. Seoul: Korean Institute for Family Planning.