TY  - BOOK
AU  - Gupta,G S  .
TI  - Managerial economics / 
SN  - 0-07-460126-1
U1  - 338.5024658 
PY  - 2000///
CY  - New Delhi : 
PB  - Tata Mc Graw Hill , 
KW  - Managerial economics
ER  -