?url_ver=Z39.88-2004&rft_id=10.1007%2Fs12665-019-8203-6&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Azhar%2C+A.S.&rft.aulast=Azhar&rft.aufirst=A.S.&rft.atitle=Groundwater+investigation+of+a+coastal+aquifer+in+Brunei+Darussalam+using+seismic+refraction&rft.volume=78&rft.issn=18666280&rft.issue=6&rft.date=2019&rft.title=Environmental+Earth+Sciences&rft.genre=article