EKICI, B., KENTLI, A. and KUCUK, H. (2013) “Improving Sound Absorption Property of Polyurethane Foams by Adding Tea-Leaf Fibers”, Archives of Acoustics, 37(4), pp. 515–520. Available at: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/80 (Accessed: 26 April 2025).