GUEST, Greg <br/><br/>
Public Health Research Methods 

 - Los Angeles  Sage Publication  2015 
 - xlii, 785p. 
<br/><br/><label>ISBN: </label>9781452241333 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Public health -- Research -- Methodology
<br/><br/><label>Dewey Class. No.: </label>362.1  / GUE-P