?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=31160025%2C+Jean+Jeck+Queen+Dozy+Busira&rft.aulast=31160025&rft.aufirst=Jean+Jeck+Queen+Dozy+Busira&rft.inst=Universitas+Kristen+Duta+Wacana&rft.degree=Bachelor&rft.title=KADAR+LOGAM+BERAT+TIMBAL+(Pb)+PADA+IKAN+NILA+(Oreochromis+niloticus)+DI+SUNGAI+GAJAH+WONG%2C+YOGYAKARTA&rft.tpages=35&rft.date=13+February+2021