Riva’i, Muhamad, and Nanda Pranandita. “Analisa Kerusakan Bantalan Bola (Ball Bearing) Berdasarkan Signal Getaran”. Manutech : Jurnal Teknologi Manufaktur, vol. 10, no. 02, May 2019, pp. 41-46, doi:10.33504/manutech.v10i02.69.