BRYMAN, Alan; CRAMER, Duncan <br/><br/>
Quantitative data analysis for social scientists 

 - Revised edtion 
 - London; New York  Routledge  1995 
 - 294 
<br/><br/><label>ISBN: </label>0-415-113075 
<br/><br/><label>Universal Decimal Class. No.: </label>311(02)