Sheikh Muhammad Umair, Monis Fayyaz Meer, Taha Fazal & Malik Adeel Anwer Parallel PLC Based Process Control - Karachi: UIT, 2011 Standard No.: 11B-89-EL, 11B-104-EL, 11B-108-EL & 11B-135-EL Subjects--Personal Names: Electrical Engineering Subjects--Topical Terms: Bachelor of Engineering (BE) Dewey Class. No.: 660.2815072 SHE