There has been data ("Commercio internazionale. Per la 4ª e 5ª classe degli Ist. Professionali per i servizi commerciali e il biennio post qualifica Progetto '92") available for this ISBN from the data sources that books-by-isbn.com uses, but not on the latest request on Wed Mar 11 15:17:37 2020, so the data displayed here has been removed .