ALDANIA, Riska; SUPARNO. Determination of Sound Absorption and Water Absorption by Composite Boards Made from Egg Cardboard. Jurnal Penelitian Pendidikan IPA, [S. l.], v. 10, n. 4, p. 1801–1808, 2024. DOI: 10.29303/jppipa.v10i4.2830. Disponível em: https://jppipa.unram.ac.id/index.php/jppipa/article/view/2830. Acesso em: 4 jul. 2024.