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. Progressive Physics Journal, [S. l.], v. 4, n. 1, p. 208–215, 2023. DOI: 10.30872/ppj.v4i1.984. Disponível em: https://jurnal.fmipa.unmul.ac.id/index.php/ppj/article/view/984. Acesso em: 8 sep. 2025.