Effect of Thickness and Perforation Size on the Acoustic Absorption Performance of a Micro-Perforated PanelYi-San Wong, Vignesh Sekar, Se Yong Eh Noum and Sivakumar SivanesanMATEC Web Conf., 335 (2021) 03016DOI: https://doi.org/10.1051/matecconf/202133503016