TY  - GEN
AU  - rr,Seema
TI  - Textbook of computer science: for class XI
SN  - 9788120329935
U1  - 004 
PY  - 2007///
CY  - New Delhi
PB  - Prentice-Hall of India
KW  - Computer science
KW  - textbook
N1  - Includes index
ER  -