Public health research methods/ 
by Greg Guest (ed.) and Emily E Namey (ed.) 
 - Los Angeles:  Sage,  2015. 
 - 785p. 
<br/><br/><label>ISBN: </label>9781452241333 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Public Health<br/>Epidemiologic Health<br/>Health Service<br/>Social Problem<br/>Social Sciences
<br/><br/><label>Dewey Class. No.: </label>362.072  / GRE/P