ASTRAUSKAS, Tomas; RUŽICKIJ, Robert; NAIMUŠIN, Andrej; BRADULIENĖ, Jolita; PRANSKEVIČIUS, Mantas; JANUŠEVIČIUS, Tomas. Effect of perforation hole shape and angle on sound absorption in perforated plastic panels. International Conference “Environmental Engineering”, [S. l.], v. 13, p. 1–7, 2026. DOI: 10.3846/enviro.2026.1448. Disponível em: https://conferences.vilniustech.lt/index.php/ENVIRO/article/view/1448. Acesso em: 13 may. 2026.