info:oai:orgprints.org:15543info:ofi/fmt:xml:xsd:bookBocchiStefanoBocchi, StefanoSpigaroloRobertoSpigarolo, RobertoSartiValerioSarti, ValerioNoeltingBenjaminNoelting, Benjamin2009Organising supply chains of organic products for Italian school meals - The case of the province and of the city of Piacenzaproceeding