TY  - BOOK
AU  - Singh,Daroga
AU  - Chaudhary , F.S.
TI  - Theory And Analysis Of Sample Survey Designs 
SN  - 0852269102
U1  - 519.52 
PY  - 1986///
CY  - New Delhi 
PB  - New Age International (P) Limited
KW  - Mathematics
ER  -