HARDIANTO R. MAYUNA, W. W. ,. Audit Keselamatan Jalan pada Jalan Yogyakarta-Purworejo KM 35-40, Kulon Progo, Yogyakarta. Semesta Teknika, [S. l.], v. 15, n. 1, 2015. DOI: 10.18196/st.v15i1.445. Disponível em: https://journal.umy.ac.id/index.php/st/article/view/445. Acesso em: 30 apr. 2025.