HACHAM, W. S.; HIJI, F. S. Impact of using Double Layers Perforated Liners on the Acoustic Treatments of the Combustor Systems. Al-Khwarizmi Engineering Journal, [S. l.], v. 16, n. 4, p. 19–26, 2020. DOI: 10.22153/kej.2020.10.002. Disponível em: https://alkej.uobaghdad.edu.iq/index.php/alkej/article/view/714. Acesso em: 13 aug. 2022.