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 -