S. . Kingkaew, N. Sowanna, P. . Silprakob, P. . Promnguluem, and S. . Oonsiri, “Performance evaluation of myQA Dailyfor output constancy check on linear accelerator”, J Thai Assn of Radiat Oncol, vol. 27, no. 2, pp. R1-R12, Aug. 2021.