Budi Kurniawan, Wahyu, et al. “The Effect of Pickup Truck Age on Roadworthiness Test Pass Rates at the Bantul Regency Vehicle Inspection Unit”. Airman: Jurnal Teknik Dan Keselamatan Transportasi, vol. 9, no. 1, June 2026, pp. 24-35, doi:10.46509/ajtk.v9i1.882.