Oonsiri, P., Suriyapee, S., Naksawat, N., & Rungpanyawut, P. (2013). Radiotherapy error detection by treatment verification sheet. Journal of Thai Association of Radiation Oncology, 19(1), 15–20. retrieved from https://he01.tci-thaijo.org/index.php/jtaro/article/view/203452