EKICI B, KENTLI A, KUCUK H. Improving Sound Absorption Property of Polyurethane Foams by Adding Tea-Leaf Fibers. Arch. Acoust. [Internet]. 2013 Oct. 17 [cited 2025 Apr. 26];37(4):515–520. Available from: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/80