TY  - BOOK
AU  - Gupta S P
AU  -  Gupta M P
TI  - Business statistics
U1  - B28, M7;M9/TD3 
PY  - 1989///
CY  -  New Delhi 
PB  - Sultan Chand        
KW  - Statistics
N1  - Appendix at the end
ER  -