TY  - BOOK
AU  - Bhalla, G. S.
AU  - Mahmood, Aslam
AU  - Narula, D. D.
TI  - Elementary Statistics
U1  - 519.5 
PY  - 1977///
CY  - New Delhi
PB  - NCERT
KW  - Mathematics
KW  - Pure sciences
KW  - Statistics
ER  -