Fikri, M. R., K. . Saptaji, and F. N. Azmi. “Wireless Vibration Monitoring System for Milling Process”. Journal of ICT Research and Applications, vol. 16, no. 1, Apr. 2022, pp. 38-55, doi:10.5614/itbj.ict.res.appl.2022.16.1.3.