?url_ver=Z39.88-2004&rft_id=10.3390%2Fapp11114795&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=R.&rft.aulast=Ahmed&rft.au=Ahmed%2C+R.&rft.date=2021&rft.title=Applied+Sciences+(Switzerland)&rft.atitle=Niching+grey+wolf+optimizer+for+multimodal+optimization+problems&rft.issue=11&rft.volume=11&rft.issn=20763417&rft.genre=article