?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Ni+Wayan+Putu+Meikapasa&rft.au=Ni+Wayan+Putu+Meikapasa%2C+-&rft.aufirst=-&rft.degree=S1&rft.title=KONTAMINASI+TIMBAL+(Pb)+DALAM+TANAH+TERHADAP+TANAMAN+KANGKUNG+AIR+(Ipomoea+aquatica+Forsk)&rft.date=22+June+2011&rft.inst=Universitas+Pendidikan+Indonesia