TY  - BOOK
TI  - Estimation, regression, descriptive and economic statistics 
U1  - 310 
PY  - 1974///
CY  - Milton Keynes
PB  - Open University Press
KW  - Social Sciences
N1  - Unit 10 : Estimation
Unit 11 : Regression and
Unit 13 : Descriptive and Economic Statistics
ER  -