Communications pretesting

Библиографические подробности
Главный автор:	Bertrand, Jane T.
Формат:	‌
Язык:	English
Опубликовано:	Chicago Communication Laboratory Community and Family Study Center, University of Chicago, c1978.
Серии:	Media monograph 6
Предметы:	Communication in birth control > Latin America. Communication in birth control > Methodology. Communication in rural development > Methodology.