?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=22064095%2C+YUDHISTIRA+ANGGI+PUTRA&rft.aulast=22064095&rft.aufirst=YUDHISTIRA+ANGGI+PUTRA&rft.title=PROGRAM+TUTORIAL+PEMBENTUKAN+BAYANGAN+PADA+CERMIN+DAN+LENSA+TIPIS+KELAS+IX&rft.degree=Bachelor&rft.inst=Universitas+Kristen+Duta+Wacana&rft.tpages=68&rft.date=February+2012