TY  - BOOK
AU  - Gupta, Arjun K.
AU  - Kabe, D.G.
TI  - Theory of sample surveys
SN  - 9789814322478
U1  - 519.52 
PY  - 2011///
CY  - Singapore
PB  - World Scientific
KW  - Sampling (Statistics)
ER  -