SYAIFUL, S. TINGKAT RESISTENSI POLUSI SUARA DI DEPAN RSIA SENTOSA BOGOR. ASTONJADRO, [S. l.], v. 4, n. 2, p. 57–61, 2015. DOI: 10.32832/astonjadro.v4i2.828. Disponível em: http://360665.5mvk4.group/index.php/ASTONJADRO/article/view/828. Acesso em: 26 feb. 2025.