Irfan Ali Siddiqui, Hammad Ahmed & Samad Ullah Khan RF Based Access Control System - Karachi: UIT, 2005 Standard No.: 05B-53-EE, 04B-122-EE & 04B-68-EE Subjects--Personal Names: Electronic Engineering Subjects--Topical Terms: Bachelor of Engineering (BE) Dewey Class. No.: 621.38412072 IRF