?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Phan&rft.au=Phan%2C+TK&rft.aufirst=TK&rft.date=June+2018&rft.atitle=Utilitarian+Placement+of+Composite+Services&rft.volume=15&rft.title=IEEE+Transactions+on+Network+and+Service+Management&rft.issn=1932-4537&rft.pages=683-649&rft.issue=2&rft.genre=article