Awal, Md Rabiul, Nurul Atiqah Tajulmar, Muhammad Syarifuddin Yahya, Nurafnida Afrizal, Wan Hafiza Wan Hassan, Nurul Adilah Abdul Latiff, and Shakir Saat. “Crack Tracking in Small-Diameter Metal Pipe Using Controlled Motor Vibrations and Flexible Sensor”. IIUM Engineering Journal 26, no. 2 (May 15, 2025): 51–62. Accessed August 23, 2025. https://journals.iium.edu.my/ejournal/index.php/iiumej/article/view/2988.