TY  - BOOK
AU  - George Darren Au.
AU  -  Mallery Paul Au.
TI  - IBM SPSS statistics 23 step by step:  simple guide and reference
SN  - 9780815366560 (pbk)
U1  - Sigma:f:(B28), Q6 
PY  - 2016///
CY  - London
PB  - Routledge UK       
KW  - STATISTICS
ER  -