Trochim, William M. K. <br/><br/>
Research methods :  the essential knowledge base / 
William M. Trochim, James P. Donnelly, Kanika Arora. 
 - 2nd ed. 
 - Boston, MA :  Cengage Learning,  c2016. 
 - xxii, 422 p. :  ill. (some col.) ;  26 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9781133954774 (paperback) 1133954774 (paperback) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research--Methodology.<br/>Research--Methodology.
<br/><br/><label>Dewey Class. No.: </label>001.42/ T843r