Muhib Nabi, Syed Adeel Hassan & Syed Samu-ur-Rehman Controlling of Circuit Switching Through GSM Technology - Karachi: UIT, 2004 Standard No.: 04B-12-EE, 04B-13-EE & 04B-44-EE Subjects--Personal Names: Electronic Engineering Subjects--Topical Terms: Bachelor of Engineering (BE) Dewey Class. No.: 621.384572 MUH