?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Ahmad+Zarwedi+&rft.au=Ahmad+Zarwedi+%2C+Nugroho&rft.aufirst=Nugroho&rft.title=EFEK+PERBEDAAN+FAKTOR+AIR+SEMEN+TERHADAP+KUAT+TEKAN+BETON+RINGAN+AGREGAT+BREKSI+BATU+APUNG&rft.inst=UNY&rft.date=April+2013&rft.degree=D3