Arphasetthasakul, W., A. Phatarachaiworapat, N. Chatchumnan, and T. Sanghangthum. “Innovation of inexpensive customized bolus in radiotherapy from 3D printer using silicone bolus”. The Thai Journal of Radiological Technology, vol. 48, no. 1, Dec. 2023, pp. 103-9, https://he02.tci-thaijo.org/index.php/tjrt/article/view/264615.