TY  - BOOK
AU  - Kreft,Ita
AU  - Leeuw,Jan de
TI  - Introducing multilevel modeling
T2  - Introducing statistical methods
SN  - 0761951415
PY  - 1998///
CY  - London
PB  - Saga Publication
KW  - Social sciences
KW  - Research
KW  - Mathematical models
KW  - Sociology
N1  - References : p. 142-146
ER  -