Widiawati, D. D.; Bernardo Sandrini Salasa; Helga Dzakwan. Studi Komparasi Biaya Operasional Kendaraan Di Jalan Tol Dan Jalan Poros Samarinda-Balikpapan, Provinsi Kalimantan Timur: Comparative Study of Vehicle Operating Costs on Toll Roads and Arterial Roads Samarinda-Balikpapan, East Kalimantan Province. dts 2024, 9, 39-48.