TY  - BOOK
AU  - Sarma, B.K.Dev 
AU  - Nath,D.
TI  - A Textbook Of Mathematics (for Class XI) Part III-Statistics
SN  -  9788122402742 
U1  - 519.5 
PY  - 1990///
CY  - New Delhi
PB  - Wiley Eastern Ltd
ER  -