?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=H.A.&rft.aulast=Al-Homery&rft.au=Al-Homery%2C+H.A.&rft.issn=20513771&rft.atitle=The+application+of+system+thinking+for+firm+supply+chain+sustainability%3A+The+conceptual+study+of+the+development+of+the+iceberg+problem+solving+tool+(IPST)&rft.title=International+Journal+of+Supply+Chain+Management&rft.date=2019&rft.pages=951-956&rft.volume=8&rft.issue=6&rft.genre=article