Sastrodiyoto, Abadi, et al. “PENGARUH PRILAKU TERHADAP KESELAMATAN PENGEMUDI SEPEDA MOTOR”. Jurnal Penelitian Sekolah Tinggi Transportasi Darat, vol. 9, no. 1, Dec. 2018, pp. 30-40, https://jurnal.ptdisttd.ac.id/index.php/jpsttd/article/view/53.