Narkpetch, S. “A Comparative Study of Blood Transfusion Process for Reducing of Wastes and Risks in Maharaj Nakhon Si Thammarat Hospital”. Archives of Allied Health Sciences, vol. 31, no. 1, May 2019, pp. 74-82, https://he01.tci-thaijo.org/index.php/ams/article/view/187374.