?url_ver=Z39.88-2004&rft_id=10.32604%2Fcmc.2021.012624&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=S.&rft.au=Ullah%2C+S.&rft.aulast=Ullah&rft.pages=3065-3074&rft.atitle=Space-time+cluster+analysis+of+accidental+oil+spills+in+Rivers+State%2C+Nigeria%2C+2011%C3%A2%EF%BF%BD%EF%BF%BD2019&rft.issue=3&rft.volume=66&rft.issn=15462218&rft.date=2021&rft.title=Computers%2C+Materials+and+Continua&rft.genre=article