?url_ver=Z39.88-2004&rft_id=10.3390%2Fen14040857&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=J.&rft.aulast=Islam&rft.au=Islam%2C+J.&rft.date=2021&rft.title=Energies&rft.atitle=A+modified+niching+crow+search+approach+to+well+placement+optimization&rft.volume=14&rft.issn=19961073&rft.issue=4&rft.genre=article