TY  - BOOK
AU  - United Nations.
TI  - A Short Manual on  Sampling Volume I: Elements of Sample Survey Theory
U1  - 311.21 
PY  - 1960///
CY  - New York
PB  - Department of Economic and Social Affairs
KW  - Statistics,Equal Probability Sampling,Stratification, Prof. K C S Pillai Collections
ER  -