“VIBRATION SPECTRUM ANALYSIS FOR FAULT DIAGNOSIS OF BALL BEARING IN CONDENSATE TRANSFER PUMP ” (2021) Jurnal Rekayasa Mesin dan Inovasi Teknologi, 2(1), pp. 106–112. Available at: https://jurnal.ftm.uniba-bpn.ac.id/index.php/REMIT/article/view/28 (Accessed: 4 June 2026).