TY  - BOOK
AU  - Gupta, S P
TI  - Practical statistics
U1  - 519.5 G959P(9) 
PY  - 2010///
CY  - New Delhi
PB  - S Chand
N1  - 2563 02/08/2013 5454 10/08/2013 Main Budget
ER  -