Siregar, J. S., Dianta Mustafa Kamal, and Hamdi. “ANALISA KERUSAKAN BEARING PADA POMPA SENTRIFUGAL TYPE ZLND 100-200”. Prosiding Seminar Nasional Teknik Mesin, vol. 13, no. 1, Dec. 2023, pp. 727-35, https://prosiding.pnj.ac.id/sntm/article/view/1659.