“Study of Radiation Dose Distribution for 6MV Photon Beam Product from VARIAN IX Linac in Case of Large Fields Using BEAMnrc and DOSXYZnrc Codes”. 2022. Latakia University Journal -Basic Sciences Series 43 (6): 125-40. https://journal.latakia-univ.edu.sy/index.php/bassnc/article/view/11515.