Assavaprathuangkul, P., K. Boonpitak, T. Wucharapruk, T. Ukhumpun, P. Dechsupa, K. Pairat, P. Yongvithisatid, M. Dhanachai, and P. Puataweepong. “Accuracy Evaluation of Image-Guided Radiation Therapy Guided by Optical Surface Monitoring System for Treatment of Intracranial Tumors”. Journal of Thai Association of Radiation Oncology, vol. 25, no. 2, Oct. 2019, pp. 28-36, https://he01.tci-thaijo.org/index.php/jtaro/article/view/208636.