Khiyon, Nor Hanim, et al. “Dynamic Mechanical Properties of Polyurethane Shape Memory Polymer Composites (SMPC) With Different Volume Fractions of Chopped Strand Mat Glass Fiber”. International Journal of Integrated Engineering, vol. 10, no. 9, Jan. 2019, https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/2566.