Some techniques for measuring the impact of contraception.

Dettagli Bibliografici
Ente Autore:	United Nations. Economic and Social Commission for Asia and the Pacific
Natura:	Libro
Lingua:	inglese
Pubblicazione:	Bangkok UN ESCAP 1974.
Serie:	Asian population studies series no.18
Soggetti:	Birth control > Mathematical models. Fertility, Human > Mathematical models. PROJTARG (Computer program).