TY  - BOOK
AU  - LIU Xian
TI  - Methods and applications of longtitudinal data analysis
SN  - 9780128013427
U1  - B2898, Q6 
PY  - 2016///
CY  - London
PB  - Academic Press         
KW  - Economics
N1  - References:Chapterwsie
ER  -