References
Notes
- Lee , B. M. and Isbister , J. 1965 . “ The impact of birth control programs on fertility ” . In Family Planning and Population Programs Edited by: Berelson , B. 737 – 737 . Chicago
- Ross , J. A. 1965 . “ Cost of family planning programs ” . In Family Planning and Population Programs 762 – 762 . Chicago
- Berelson , B. 1965 . “ KAP studies in fertility ” . In Family Planning and Population Programs 667 – 667 . Chicago
- Takeshita , J. 1965 . “ Lessons learned from family planning studies in Taiwan and Korea ” . In Family Planning and Population Programs 701 – 701 . Chicago
- Wolfers , D. 1968 . Determinants of birth intervals and their means . Population Studies , 22 : 253 – 253 .
- Dandekar , K. 1959 . Intervals between confinements . Eugenics Quarterly , 6 : 180 – 180 .
- Henry , L. 1961 . Some data on natural fertility . Eugenics Quarterly , 8 : 85 – 85 . Table 3
- Tietze , C. 1967 . Intra-uterine Contraception. Recommended Procedures for Data Analysis . Studies in Family Planning (Supplement) , 18 April Population Council
- Potter , R. , Westoff , C. and Sagi , P. 1963 . Delays in conception. A discrepancy re-examined . Eugenics Quarterly , 10 : 53 – 53 .