Nurul Ain Abdul Aziz, Hong Yeap Ngo, Kan Yeep Choo, Tee Connie, Hafiz Zulhazmi Bin Jabidin, Sithi Vinayakam Muniandy. LSTM: Anomaly Activity Type Classification Using Distributed Acoustic Sensing Based on MFCC Features. IJIE. 2025;17(2):54-65. Accessed August 7, 2026. https://journal.uthm.edu.my/index.php/ijie/article/view/19125