Front Matter Jurnal Rekayasa Mesin Vol. 13 No. 3 Desember 2018 Authors Ragil Tri Indrawati DOI: https://doi.org/10.32497/jrm.v13i3.1618 Downloads PDF Published 2019-01-01 Issue Vol. 13 No. 3 (2018): Volume 13, Nomor 3, Desember 2018 Section Front Matter