TY  - BOOK
AU  - Asthana, B N
TI  - Elements of statistics
U1  - 519.5 A86E 
PY  - 2011///
CY  - New Delhi
PB  - S Chand
N1  - 3278 03/10/2018 HBD18/7509 09/10/2018 Main Budget
ER  -