R Sivakumar GN, Zainulabidin MH. Acoustic Performance of Upcycled Materials: Plastics & Cigarette Buds in Laminate Composites. rpmme [Internet]. 2024 Oct. 17 [cited 2026 Aug. 15];5(1):130-9. Available from: https://periodical.uthm.edu.my/index.php/rpmme/article/view/15852