Schutt, Russell K. <br/><br/>
Investigating the social world  the process and practice of research 
Russell K. Schutt 
 - 3rd ed. 
 - California  Pine Forge press  2001 
 - xxix, 445p 
 - The pine forge press series in research methods and statisti .
<br/><br/><label>ISBN: </label>761987274  US