Nur Artisya Zulkipli, M Yusup E. The Evaluation for Accuracy of Non-Destructive Testing (NDT) in Ultrasonic Inspection on Mild Steel Material by Ultrasonic Testing Thickness Measurement (UTTM) . rpmme [Internet]. 2022 Jan. 17 [cited 2024 Jul. 18];2(2):41-7. Available from: https://publisher.uthm.edu.my/periodicals/index.php/rpmme/article/view/3643