Adhreena M, Hafizi Z, Vorathin E. A Fiber Bragg Grating-Based Gap Elongation Sensor for The Detection of Gap Elongation in Bolted Flange Connection. ijie. 2022;14(8):77-85. Accessed July 23, 2024. https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/13022