Chupinijrobkob, P. . . “Development and Implementation of Evidence-Based Nursing Practice for Pain Management on Acute Pain in Pediatric Patients”. Thammasat University Hospital Journal Online, vol. 3, no. 1, Apr. 2018, pp. 1-8, https://he02.tci-thaijo.org/index.php/TUHJ/article/view/240268.