World Health Organization  <br/><br/>
Evaluation of environmental health programmes :  report 

 - 
 - Geneva  W H O  1973 
 - 64 p.  24 cm. 
 - WHO Technical report series no.528.   .
<br/><br/>  
<br/><br/>  Environmental Health, Health Programmes 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Health Programmes<br/>Environmental Health
<br/><br/><label>Dewey Class. No.: </label>SERIALS  / WHO