“Pengaruh Penurunan Aktivitas Cobalt-57 Terhadap QC (Quality Control) Harian SPECT (Single Photon Emission Computed Tomography) di Instalasi Kedokteran Nuklir RSUD A. W Sjahranie Samarinda” (2023) Progressive Physics Journal, 4(1), pp. 208–215. doi:10.30872/ppj.v4i1.984.