Pelawi, Awan, Herty Afrina Sianturi, Martha Rianna, Kerista Sebayang, and Nasruddin Noer. “Analysis of 6 MV Energy Quality File Index Using Percentage Depth Dose (PDD) and Tissue Phantom Ratio (TPR) Methods on Linac Siemens and Electa”. International Journal of Sciences: Basic and Applied Research (IJSBAR) 39, no. 2 (June 8, 2018): 10–14. Accessed May 4, 2024. https://www.gssrr.org/index.php/JournalOfBasicAndApplied/article/view/8971.