TY  - BOOK
AU  - Roy, Gautam 
TI  - Computer operator and programming assistance 
SN  - 81-86299-39-4 
U1  - 004.019 ROY  
PY  - 2003///
CY  - Asia books Pvt. Ltd. 
PB  - New Delhi 
KW  - COMPUTER SCIENCE
ER  -