?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Aryono&rft.au=Aryono%2C+Ardi&rft.aufirst=Ardi&rft.degree=S1&rft.date=14+September+2017&rft.title=PENGARUH+VARIASI+KONSENTRASI+NANOMATERIAL+GRAPHENE+OXIDE+BERBAHAN+DASAR+ABU+SEKAM+PADI+TERHADAP+POROSITAS+DAN+UJI+KUAT+TEKAN+BATU+BATA+RINGAN+JENIS+CELLULAR+LIGHTWEIGHT+CONCRETE&rft.inst=Universitas+Negeri+Yogyakarta