TY  - BOOK
AU  - Chopra, J.K.
AU  - Chordia. D.S.
TI  - Unique quintessence of statistical analysis,graph& diagrams: for UPSC cilvil services and state public services main examinations 
SN  - 9788183571197
U1  - 001.4226 
PY  - 2010///
CY  - New Delhi
PB  - Unique Publisher
ER  -