?url_ver=Z39.88-2004&rft_id=10.3390%2Fmath11040886&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=A.A.&rft.au=Arefin%2C+A.A.&rft.aulast=Arefin&rft.date=2023&rft.title=Mathematics&rft.atitle=Determining+Unintentional+Island+Threshold+to+Enhance+the+Reliability+in+an+Electrical+Distribution+Grid&rft.issue=4&rft.volume=11&rft.genre=article