?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=SITI+ROFIKHOH%2C+NIM.+12620015&rft.aulast=SITI+ROFIKHOH&rft.aufirst=NIM.+12620015&rft.degree=Skripsi&rft.date=13+October+2016&rft.title=RANCANG+BANGUN+SISTEM+DETEKSI+AIR+TERKONTAMINASI+CU+BERBASIS+LASER+DIODA+MERAH+DAN+SENSOR+FOTODIODA&rft.inst=UIN+SUNAN+KALIJAGA+YOGYAKARTA&rft.tpages=121