Sutoro, S. G., M. Irsal, T. A. Budiati, and A. Yansyah. “ANALYSIS OF THE SIGNAL TO NOISE RATIO IN USE OF 15% KVP RULE METHOD IN THE RADIOGRAPHY EXAMINATION SUPINE AP CHEST”. Indonesian Physical Review, vol. 5, no. 2, May 2022, pp. 107-15, doi:10.29303/ipr.v5i2.141.