Urfa, Gusti Atika, dkk. “Monte Carlo Simulation to Test the Effectiveness of Crystal Detector Length for PHITS-Based PET Modality”. Jurnal Pendidikan Fisika Dan Teknologi (JPFT), vol. 9, no. 1, Juni 2023, hlm. 115-22, doi:10.29303/jpft.v9i1.4896.