?url_ver=Z39.88-2004&rft_id=10.1007%2F978-981-15-2655-8%E2%82%81&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aulast=Yasin&rft.au=Yasin%2C+M.I.&rft.aufirst=M.I.&rft.btitle=A+new+fuzzy+weighted+multivariate+regression+to+predict+water+quality+index+at+perak+rivers&rft.date=2020&rft.isbn=9789811526558%3B+9789811526541&rft.genre=book