Evaluating Coir Composites As Eco-Friendly Sound Absorbers: An Experimental And Comparative Approach. International Journal of Environmental Sciences, [S. l.], p. 1942–1951, 2025. DOI: 10.64252/verdsc60. Disponível em: https://theaspd.com/index.php/ijes/article/view/3720.. Acesso em: 18 sep. 2025.