Nyoman Selvianti D, Irwan Lakawa, Sitti Hawa. Effect of Road Conditions on Vehicle Operation Costs on Roads in Kolaka Timur District. IJMEHD [Internet]. 2022 Feb. 13 [cited 2024 Apr. 30];2(01):100-7. Available from: https://ijmehd.com/index.php/ijmehd/article/view/57