Poursan Dalir M, Hedayati E, Hedayati A. Detection and identification of subcutaneous defects using ultrasonic waves in reflective test. J. Mech. Eng. Sci. [Internet]. 2021 Jun. 10 [cited 2024 Apr. 23];15(2):8003-15. Available from: https://journal.ump.edu.my/jmes/article/view/3756