?url_ver=Z39.88-2004&rft_id=10.11113%2Fmjfas.v15n5.1151&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=M.S.&rft.au=Osman%2C+M.S.&rft.aulast=Osman&rft.title=Malaysian+Journal+of+Fundamental+and+Applied+Sciences&rft.date=2019&rft.issue=5&rft.volume=15&rft.issn=2289599X&rft.pages=633-639&rft.atitle=Identification+and+optimization+of+biosurfactant+producing+bacteria+isolated+from+rag+layer+crude+oil+emulsion&rft.genre=article