Communications pretesting

Bibliografische gegevens
Hoofdauteur:	Bertrand, Jane T.
Formaat:	Boek
Taal:	English
Gepubliceerd in:	Chicago Communication Laboratory Community and Family Study Center, University of Chicago, c1978.
Reeks:	Media monograph 6
Onderwerpen:	Communication in birth control > Latin America. Communication in birth control > Methodology. Communication in rural development > Methodology.