?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=22104867&rft.au=22104867%2C+David+Hariyanta&rft.aufirst=David+Hariyanta&rft.tpages=24&rft.title=IMPLEMENTASI+ALGORITMA+PIXEL+VALUE+DIFFERENCING+(PVD)+UNTUK+PENYEMBUNYIAN+FILE+PADA+CITRA+DIGITAL&rft.date=February+2015&rft.degree=Final+Year+Projects+(S1)&rft.inst=Universitas+Kristen+Duta+Wacana