Iradiratu Diah Prahmana Karyatanti, Ananda Noersena, Firsyaldo Rizky Purnomo, Rafli Setiawan Zulkifli, and Ardik Wijayanto. 2023. “Analysis of Outer Race Bearing Damage by Calculation of Sound Signal Frequency Based on the FFT Method”. International Journal of Engineering and Technology Innovation 13 (1):28-39. https://doi.org/10.46604/ijeti.2023.9411.