Yuliani, U., Ramdani, R., Haryanto, F., Perkasa, Y., & Sanjaya, M. (2016). Design and Analysis Effect of Gantry Angle Photon Beam 4 MV on Dose Distributions using Monte Carlo Method EGSnrc Code System. Indonesian Journal of Physics, 27(1), 18 - 20. https://doi.org/10.5614/itb.ijp.2016.27.1.3