M. Salman-ur-Rehman, Naila Masood & Muhammad Khan Billing Interface Through Web and Cellular Phone - Karachi: UIT, 1999 Standard No.: 99B-BCS3-001, 99B-BCS3-48 & 99B-BCS3-19 Subjects--Personal Names: Computer Science Subjects--Topical Terms: Bachelor of Computer Science (BS) Dewey Class. No.: 001.64072 SAL