Putra, D. R., J. S. Oktoricoento, S. Sahrudin, M. Mujirudin, H. Ramza, O. Heriyani, and A. Maddu. “Energi Alternatif Melalui Getaran Beban Mekanis”. Prosiding Seminar Nasional Teknoka, vol. 3, Dec. 2018, pp. E8-E17, https://journal.uhamka.ac.id/index.php/teknoka/article/view/2802.