Singnoi, Mullika, and Yupawadee Dechpong. “Investigating Happiness Among Practical Nursing Students During Clinical Placements at Siriraj Hospital: An Academic Year 2022 Survey”. Siriraj Medical Bulletin 17, no. 3 (July 1, 2024): 188–196. accessed September 20, 2026. https://he02.tci-thaijo.org/index.php/simedbull/article/view/266900.