References
Footnotes
- Potter , R. G. 1969 . “ Estimating births averted in a family planning program ” . In Fertility and Family Planning. A World View Edited by: Behrman , S. J. , Corsa , L. and Freedman , R. 413 – 434 . Ann Arbor in, (Eds.)
- Wolfers , D. 1969 . The demographic effects of a contraceptive programme . Population Studies , 23 : 111 – 111 .