Communications pretesting

Detalles Bibliográficos
Autor principal:	Bertrand, Jane T.
Formato:	Libro
Lenguaje:	English
Publicado:	Chicago Communication Laboratory Community and Family Study Center, University of Chicago, c1978.
Colección:	Media monograph 6
Materias:	Communication in birth control > Latin America. Communication in birth control > Methodology. Communication in rural development > Methodology.