Communication and behaviour change : factors of active participation of the population for the attainment of better health / Proceedings.
By: International Conference on Health and Health Education (7th : 1969 : Buenos Aires) International Conference on Health and Health Education (7th : 1969 : Buenos Aires) International Conference on Health and Health Education (7th : 1969 : Buenos Aires) International Conference on Health and Health Education (7th : 1969 : Buenos Aires) International Conference on Health and Health Education (7th : 1969 : Buenos Aires).
Contributor(s): International Union for Health Education.
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At head of title: International Union for Health Education.
Includes bibliographies.
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