Denardi Vattathara, S. 2021. II Academic Month of Acoustical Engineering (UFSM): Free opportunity to learn about acoustics and other topics. Acoustics and Vibrations (Acústica e Vibrações). 36, 53 (Dec. 2021), 205–210. DOI:https://doi.org/10.55753/aev.v36e53.56.