Communications pretesting

Opis bibliograficzny
1. autor:	Bertrand, Jane T.
Format:	Książka
Język:	English
Wydane:	Chicago Communication Laboratory Community and Family Study Center, University of Chicago, c1978.
Seria:	Media monograph 6
Hasła przedmiotowe:	Communication in birth control > Latin America. Communication in birth control > Methodology. Communication in rural development > Methodology.