Rosidah, A. A., and V. A. Setyowati. “Fabrication and Simulation Studies on Sound Absorption Coefficient of Natural Microfibers Reinforced Silicone Rubber”. SINTEK JURNAL: Jurnal Ilmiah Teknik Mesin, vol. 16, no. 2, Dec. 2022, pp. 104-11, doi:10.24853/sintek.16.2.104-111.