TY  - GEN
AU  - Chakravarty, Prabir
TI  - Foundation of Computer System : A treatise on DOEACC O Level Course
U1  - 004.21 
PY  - 1994///
CY  - Kolkata
PB  - K.P.Bagchi & Co.
KW  - COMP.SC.--SYSTEM ANALY
ER  -