Chumburisut , S. . . . . . . . ., P. . . . . . . Thungjaroenkul, and A. . . . . . . . . Nantsupawat. “Situational Analysis of Patient Safety Management, Male Surgical Ward, Buddhachinaraj Phitsanulok Hospital”. Nursing Journal CMU, vol. 47, no. 2, May 2020, pp. 453-62, https://he02.tci-thaijo.org/index.php/cmunursing/article/view/241835.