Behzad Hussain, Abdul Saboor, Anas Ahmed & Muhammad Saad Variable Pressure Water Turbine - Karachi: UIT, 2015 Standard No.: 15B-22-EL, 15B-199-EL, 15B-211-EL & 15B-239-EL Subjects--Personal Names: Power Engineering Subjects--Topical Terms: Bachelor of Engineering (BE)