TY  - BOOK
AU  - Bijleveld C.J.H ...(et...al...)
TI  - Longitudinal data analysis:  Designs, models and methods
U1  - S:3:6:(B3), N8 
PY  - 1998///
CY  - N.Delhi
PB  - Saga pub.      
KW  - PSYCHOLOGY
ER  -