Okpighe, SundayOkerekene, James Ogagarojo Ovri, and C. N. Ononuju. 2016. “Metal Wall Thickness Assessment of Air Receivers by Method of Ultrasonic Testing (UTM)”. International Journal For Research In Mechanical & Civil Engineering 2 (3):01-29. https://doi.org/10.53555/mce.v2i3.1001.