?url_ver=Z39.88-2004&rft_id=10.7711%2Ffeemre3.2013.05.003&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=Armando&rft.au=Rungi%2C+Armando&rft.aulast=Rungi&rft.atitle=The+%E2%80%98Invisible+Role%E2%80%99+of+Business+Groups+is+made+Evident&rft.pages=1-5&rft.title=Review+of+Environment%2C+Energy+and+Economics&rft.date=23+May+2012&rft.genre=article