2006 Analisi strutturale delle imprese di fabbricazione di prodotti di sughero, UE-Fse, Sardinia Region, P.O.R. Sardinia 2000/2006 Action 3.5 – project n. 021609. R&I s.r.l. has designed survey instruments, coordinated the partners responsible for the surveys on a statistically significant sample of 75 firms, checked and validated the data collected, processed these data and prepared the report of the research.