?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Johannes&rft.au=Johannes%2C+V.D.+Wirjawan&rft.aufirst=V.D.+Wirjawan&rft.date=May+2014&rft.title=Proceeding+of+International+Conference+On+Research%2C+Implementation+And+Education+Of+Mathematics+And+Sciences+2014&rft.atitle=TREATING+FOURIER+SERIES+AS+VECTOR%3A+A+CONCEPT+SIMPLIFICATION+FOR+TEACHING+FOURIER+SERIES&rft.genre=article