TY  - BOOK
AU  - Cunningham, James B.
AU  - Aldrich,James O.
TI  - Using SPSS : an interactive hands-on training
SN  - 978-81-321-1016-3
U1  - 005.55 
PY  - 2012///
CY  - New Delhi
PB  - Sage
KW  - Levels of measurement
KW  - Statistical tests
ER  -