Bur, M., N. Nazaruddin, A. I. Mahyuddin, and J. Samudra. “KARAKTERISTIK PENGAYAK GETAR DENGAN SUMBER EKSITASI POROS EKSENTRIK”. Mesin, vol. 15, no. 1, May 2017, pp. 1-8, https://journals.itb.ac.id/index.php/jtms/article/view/4858.