Gallo M. Estimating External Costs of Transportation in Regional Areas: Using Available Statistical Data the Case of the Region of Campania. TeMA [Internet]. 13Apr.2010 [cited 20Apr.2024];2. Available from: http://www.serena.unina.it/index.php/tema/article/view/urn%3Anbn%3Ait%3Aunina-3604