TY  - BOOK
AU  - Lewis-Beck, Michael.S.
AU  - 
TI  - Experimental design and methods
SN  - 0803954298
U1  - 519.22 LEW.3 
PY  - 1994///
CY  - New Delhi
PB  - Sage Publications Pvt.Ltd.
KW  - RESEARCH DESIGN-- MULTIVARIATE ANALYSIS
ER  -