Manual of epidemiology for district health management / 
edited by J.P. Vaughan & R.H. Morrow. 
 - Geneva :  World Health Organization,  1989. 
 - viii, 198 p. : 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>924154404X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Epidemiology.
<br/><br/><label>Dewey Class. No.: </label>614.4  / Ma