Jang, Eun-Suk, and Hee-Jun Park. “Sound Absorption Properties of Shredded Paper Wastes As Indoor Building Sound Absorber”. BioResources 20, no. 3 (July 30, 2025): 7829–7841. Accessed October 26, 2025. https://ojs.bioresources.com/index.php/BRJ/article/view/24626.