Mat Norman MA, Sivakumar K, Ab Patar MNA, Mahmud J. A Prediction Model for Natural Frequencies on Kevlar/Glass Hybrid Laminated Composite using Artificial Neural Networks (ANN). IJIE. 2022;14(5):207-214. Accessed August 7, 2026. https://journal.uthm.edu.my/index.php/ijie/article/view/11943