Planning and evaluation of health education services :   report of WHO expert committee. 

 - Geneva :   World Health Organization,  1969. 
 - 34 p. ;  24 cm. 
 - World Health Organization technical report series  409 .
<br/><br/>392  392 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Promotion of health.
<br/><br/><label>Dewey Class. No.: </label>613 / W893p