Rugg,Gordon  <br/><br/>
A Gentle Guide to Research Methods 
Petre,Marian  
 - rev.ed. 
 - Poland :  OZ Graf. S.A. :  2007 
 - xiii,245p.:  ill. 
<br/><br/> Includes index and bibliography 
<br/><br/><label>ISBN: </label>100335219276 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social Science--Research
<br/><br/><label>Dewey Class. No.: </label>001.42 RUG