Felipetto TJ, Oliveira MF, Rossatto FC, Kerber LA, Heissler RF. Attenuators for noise control in air conditioning systems: case study with the use of reused sound-absorbing materials. Acústica e Vibrações [Internet]. 2021 Dec. 28 [cited 2024 May 17];36(53):81–97. Available from: https://revista.acustica.org.br/acustica/article/view/aev53_atenuadores