Thammaroj, Tala, and Winai Tantiyasawasdegul. “Out-patient Record Audit in Srinagarind Hospital”. Srinagarind Medical Journal 21, no. 2 (November 25, 2013): 130–137. accessed September 17, 2026. https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/13256.