Sumedi, Berthold, 		Andriani, Intan, AND 		Jannah, Marichatul.
" PENGARUH RETAKE  RADIOGRAF TERHADAP COST UNIT DI INSTALASI  RADIOLOGI RUMAH SAKIT PANTI NUGROHO YOGYAKARTA" <em>RadX : Jurnal Ilmiah Radiologi</em> [Online], Volume 2 Number 2 (26 July 2017)