?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=S.&rft.aulast=Rubab&rft.au=Rubab%2C+S.&rft.date=2019&rft.title=International+Arab+Journal+of+Information+Technology&rft.atitle=QoS+based+multi-constraints+bin+packing+job+scheduling+heuristic+for+heterogeneous+volunteer+grid+resources&rft.pages=661-668&rft.issue=4&rft.volume=16&rft.issn=16833198&rft.genre=article