TY  - BOOK
AU  - à¦°à¦¹à¦®à¦¾à¦¨ ,à¦®à¦¾à¦¹à¦¬à§à¦¬à§à¦° 
TI  - à¦à¦¡à¦­à¦¾à¦¨à§à¦¸à¦¡ à¦²à§à¦à¦¾à¦¸ à§§-à§¨-à§©
U1  - 005.3 
PY  - 1997///
CY  - Dhaka
PB  - Systech Publications
KW  - Software
KW  - Program software
ER  -