M. Yusup E, Baduhalin MA, Abdul Rani ASA, Jamil J, Saniman MNF. Development of Efficient Frequency and Sensitivity of Transducer on Flaw Measurement by Using Ultrasonic Testing Method on Thin Carbon Steel Plate. IJIE [Internet]. 2024 Dec. 4 [cited 2026 Apr. 9];16(9):171-8. Available from: https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/17403