Trochim, William M. K. <br/><br/>
Research methods knowledge base / 
William M.K. Trochim, James P. Donnelly. 
 - 3rd ed. 
 - Mason, Ohio :  Atomic Dog/Cengage Learning,  2008. 
 - 1 v. (various pagings) :  ill. ;  28 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9781592602902 (hbk.) 1592602908 (hbk.) 9781592602919 (pbk.)  Hadiah 1592602916 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research--Methodology.