Suyatno, S., H. A. Tjokronegoro, I. G. N. Merthayasa, and R. Supanggah. “Analysis of Onstage Acoustics Preference of Musicians of Traditional Performance of Javanese Gamelan Based on Normalized Autocorrelation Function”. Journal of Engineering and Technological Sciences, vol. 48, no. 5, Nov. 2016, pp. 571-83, doi:10.5614/j.eng.technol.sci.2016.48.5.5.