N. Iskandar and I. D. E. . M Yusuf, “The Evaluation for Accuracy of Non-destructive Testing (NDT) in Ultrasonic Inspection on Stainless Steel Material by Ultrasonic Testing Thickness Measurement”, rpmme, vol. 2, no. 2, pp. 685–692, Jan. 2022, Accessed: Jul. 07, 2024. [Online]. Available: https://penerbit.uthm.edu.my/periodicals/index.php/rpmme/article/view/4388