Somboon, Siriprapa, Wannita Malila, Surasak Tamon, Wiphaporn Nueangwong, Nuttawut Yeenang, and Jumneanphan Rueansri. 2022. “Evaluation of Optimal Kilovoltage-Cone Beam Technique on Image Quality, Registration Accuracy, Time of Imaging and Relative Dose for Head Radiotherapy: A Phantom Study”. Journal of Associated Medical Sciences 55 (2):10-15. https://he01.tci-thaijo.org/index.php/bulletinAMS/article/view/252730.