?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=Rifa&rft.aulast=Hidayatun&rft.au=Hidayatun%2C+Rifa&rft.date=18+July+2016&rft.tpages=124&rft.degree=S1&rft.inst=Fakultas+Matematika+dan+IPA&rft.title=Nilai+Penting+dan+Kemerataan+Plankton+di+Perairan+Sungai+Bedog