Communications pretesting

Bibliografiska uppgifter
Huvudupphovsman:	Bertrand, Jane T.
Materialtyp:	Bok
Språk:	English
Publicerad:	Chicago Communication Laboratory Community and Family Study Center, University of Chicago, c1978.
Serie:	Media monograph 6
Ämnen:	Communication in birth control > Latin America. Communication in birth control > Methodology. Communication in rural development > Methodology.