Lertpureevong, Wipat, Narawin Naravoranun, and Surachai Amornchaloemwit. “The Digitization of Historical Film Photographs of Siriraj Hospital to Digital Photographs”. Siriraj Medical Bulletin 17, no. 1 (January 1, 2024): 80–89. accessed September 20, 2026. https://he02.tci-thaijo.org/index.php/simedbull/article/view/262492.