Designing health communication campaigns what works?

Manylion Llyfryddiaeth
Prif Awdur:	Backer, Thomas E.
Awduron Eraill:	Rogers, Everett M., Sopory, Pradeep
Fformat:	Llyfr
Iaith:	English
Cyhoeddwyd:	Newbury Park, Calif. Sage c1992.
Pynciau:	Mass media in health education. Communication in medicine.