Randolph R. Resor, « Costing models enable railroads to determine incremental costs. Is one model better than another? », in Railway track & structures , august 1994, 4P



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« / » https://core.ac.uk/download/pdf/10201376.pdf
« / » https://www.diva-portal.org/smash/get/diva2:1257286/FULLTEXT01.pdf
« / » https://ec.europa.eu/regional_policy/sources/docgener/studies/pdf/cba_guide.pdf
Catégories :Coûts des TC/Public Transit costs