Improving environmental health conditions in low income settlements 

 - Geneva:  World Health Organization;  1987 
 - Varied pagination 
 - WHO offset publication No.100,103,105 .
<br/><br/> Includes reference. 
<br/><br/><label>ISBN: </label>9241701005 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental health<br/>Primary healthcare
<br/><br/><label>Dewey Class. No.: </label>363.7  / WOR