TY  - BOOK
AU  - Ahmer Iftakher Yousufi, Muhammad Saqib Malik, Umer Pervaiz & Imran N. khan
TI  - Inventory Control and Billing System
U1  - 629.895072 YOU 
PY  - 1997///
CY  - Karachi
PB  - UIT
KW  - Computer System Engineering
KW  - Bachelor of Engineering (BE)
ER  -