Siriphan, N., and B. Samruajbenjakun. “Guidelines for the Use of Radiographs in Clinical Orthodontics”. Thai Journal of Orthodontics วารสารทันตกรรมจัดฟันไทย, vol. 8, no. 1, Sept. 2020, pp. 13-23, https://he01.tci-thaijo.org/index.php/THAIORTHO/article/view/249611.