GULTOM, Josua Fernando. Analisis Metode Spektrum Fft Dan Perbaikan Terhadap Kerusakan Bearing Pada Pompa Sentrifugal SP039. Journal of New Energies and Manufacturing, Jakarta, Indonesia, v. 1, n. 3, p. 87–97, 2023. DOI: 10.22441/jonem.v1i3.16517. Disponível em: https://publikasi.mercubuana.ac.id/index.php/jonem/article/view/16517. Acesso em: 3 jun. 2026.