David, Fely P.  <br/><br/>
An evaluation of the effectiveness of the social marketing program for the prevention and control of vitamin A deficiency in Region VII (Western Visayas) / 
Fely P. David with the assistance of Perla A. Suyo 
 - [Manila]  Helen Keller International [and] Department of Health,  1990. 
 - Technical report series ;  no. 6 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Program Evaluation <br/>Vitamin A Deficiency --prevention and control <br/>Social Marketing