Utilization of Areca Nut Fibers (areca catechu l.) and Polyvinyl Chloride (PVC) as A Sound Absorbing Material. JTM [Internet]. 2023 Apr. 30 [cited 2026 Feb. 27];14(1):27-32. Available from: https://jtm.itp.ac.id/index.php/jtm/article/view/770