Walley, John. <br/><br/>
Public Health :  an action guide to improving health in developing countries / 
John Walley, John Wright and John Hubley. 
 - Oxford :  University Press,  2001. 
 - xi, 290 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>9780198509912 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Public Health--Developing countries.<br/>Health Promotion--Developing countries.