Musikapodoke, D., N. Kanjanavirotkul, P. Musikapodoke, and T. Kijwijan. “A Study If Learning Achievement on Cytopathotogy Using Sound Slide”. Srinagarind Medical Journal, vol. 17, no. 1, Nov. 2013, pp. 13-19, https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/14383.