Syaiful, Syaiful. “TINGKAT RESISTENSI POLUSI SUARA DI DEPAN RSIA SENTOSA BOGOR”. ASTONJADRO 4, no. 2 (December 27, 2015): 57–61. Accessed February 26, 2025. http://360665.5mvk4.group/index.php/ASTONJADRO/article/view/828.