“…The study by [10] considered a comparative review of cost models and cost factors published in several studies on freight transport. The authors tried to determine and categorize cost factors from various perspectives in the reviewed studies, including cost factors (operating costs, time value and external costs), study area (Europe, USA, North America and Asia) and cost models (process costing (ABC), statistical models, Surveys, data mining, geographic information system (GIS), meta-analysis and mathematical models).…”