TY  - GEN
AU  - Pillai, R. S. N.             
TI  - Practical statistics
SN  - 8121900441
U1  - 519.5 
PY  - 2003///
CY  - New Delhi
PB  - S. Chand & Company,2003
KW  - Probability
N1  - distributer: Al-Ahram; catalogued by: wessam
ER  -