TY  - BOOK
AU  - Gupta, S. P.
TI  - Practical statistics
SN  - 9788121906241
U1  - 519.5 
PY  - 1971///
CY  - New Delhi
PB  - S. Chand & Company Ltd.
KW  - Natural sciences
KW  - Mathematics, Stastistics
ER  -