Ab Malek, Siti Aminah, and Wan Amizah Wan Jusoh. “Improvement of Sound Acoustic and Compressive Strength of Hybrid Polymer Composites (HPCs)”. Progress in Engineering Application and Technology, vol. 6, no. 1, Apr. 2025, pp. 363-75, https://penerbit.uthm.edu.my/periodicals/index.php/peat/article/view/19145.