Ihsan, T., Arbi, Y., Irawan, A., & Sari, I. (2020). Fatigue Analysis to Driver of Intercity in West Sumatra Province, Indonesia: A Case Study of Padang – Bukittinggi – Payakumbuh Route. Jurnal Pendidikan Teknologi Kejuruan, 3(4), 227-230. https://doi.org/10.24036/jptk.v3i4.16023