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M. Yusup, E.; Baduhalin, M. A. .; Abdul Rani, A. S. A. .; Jamil, J. .; Saniman, M. N. F. Development of Efficient Frequency and Sensitivity of Transducer on Flaw Measurement by Using Ultrasonic Testing Method on Thin Carbon Steel Plate. IJIE 2024, 16 (9), 171-181.