TY  - BOOK
AU  - George,Darren
AU  - Mallery,Paul  .
TI  - SPSS for windows step by step : a simple guide and reference15.0 update / 
SN  - 9788131724293
U1  - 005 
PY  - 2009///
CY  - England : 
PB  - Pearson Education , 
KW  - COMPUTER PROGRAMMING
N1  - Includes index
ER  -