TY  - GEN
AU  - Maini, A.K.
AU  - Bhatnagar, P.
TI  - Computer science: made simple(for class XI and XII)
U1  - 004.1 
PY  - 1991///
CY  - Delhi
PB  - Pustak Mahal
KW  - Data processing
KW  - Computer science
ER  -