GUEST,Greg <br/><br/>
Public health research methods / 
Greg Guest and Emily E.Namey 
 - London,  Sage Publications,  c2015 
 - xlii, 785 p. :  Il.; 
<br/><br/> Includes bibliographical references and indexes. 
<br/><br/><label>ISBN: </label>9781452241333  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Public Health<br/>Research Design.<br/>Epidemiologic Methods.<br/>Health Services Research
<br/><br/><label>Dewey Class. No.: </label>614.801