Buppasiri, P., P. Kuhiranratn, C. Engchanil, P. Kaewpila, S. Sila-on, and T. Pratipanawatr. “Achievement in National Licensing Examination Steps I and II of Khon Kaen Medical Students from Various Programs”. Srinagarind Medical Journal, vol. 28, no. 4, Dec. 2013, pp. 516-23, https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/15352.