Communications pretesting

Dades bibliogràfiques
Autor principal:	Bertrand, Jane T.
Format:	Llibre
Idioma:	English
Publicat:	Chicago Communication Laboratory Community and Family Study Center, University of Chicago, c1978.
Col·lecció:	Media monograph 6
Matèries:	Communication in birth control > Latin America. Communication in birth control > Methodology. Communication in rural development > Methodology.