Ibrahim, Sallehuddin. “An Ultrasonic System for Detecting Defects in Wood: Sallehuddin Ibrahim, Wasi Hyder, Mohd Amri Md Yunus, Ahmad Ridhwan Wahap, Ruzairi Abdul Rahim, Jaysuman Pusppanathan”. Journal of Tomography System and Sensor Application 3, no. 1 (November 17, 2020). Accessed December 22, 2024. http://tssa.my/index.php/jtssa/article/view/61.