ENOS LOLANG; ISRAEL PADANG; INTAN DURU’ SARUNGALLO; JUMIARTI ANDI LOLO; ADEWIDAR MARANO PATA’DUNGAN. Identification of the Utilization of Jember Coffee Skin Biocomposite (Coffea Canephora) as a Sound Absorber Using the Tube Method. Jurnal Multidisiplin Madani, [S. l.], v. 2, n. 12, p. 4229–4237, 2022. DOI: 10.55927/mudima.v2i12.2051. Disponível em: https://journal.formosapublisher.org/index.php/mudima/article/view/2051. Acesso em: 12 dec. 2025.