Jang E-S, Jo S-U, Kang C-W, Park H-J. Investigating the Sound Absorption Performance of Circular and Slotted Perforated Birch (Betula platyphylla) Plywood as Interior Building Materials . BioRes [Internet]. 2024 Jan. 16 [cited 2025 Oct. 25];19(1):1517-25. Available from: https://ojs.bioresources.com/index.php/BRJ/article/view/22710