TY  - BOOK
AU  - Bickel,Robert
TI  - Multilevel analysis for applied research: it's just regression! 
T2  - Methodology in the social sciences
SN  - 9781593851910
U1  - 001.422 BIC 2007 
PY  - 2007///
CY  - New York
PB  - the guilford press
KW  - Social sciences$x Research
KW  - Mathematical models
KW  - Multilevel models (Statistics)
KW  - Regression analysis
ER  -