BOLEJKO, R.; DOBRUCKI, A. FEM amd BEM computing costs for acoustical problems. Archives of Acoustics, [S. l.], v. 31, n. 2, p. 193–212, 2014. Disponível em: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/668. Acesso em: 25 apr. 2025.