Narungsri, Achara, Papiroon Noitasaeng, Supaphan Noipitak, Pongsagon Vichitvejpaisal, and Phongthara Vichitvejpaisal. 2022. “A Touchless Communication in Medicine”. The Journal of Chulabhorn Royal Academy 4 (1). Bangkok, Thailand:34-40. https://he02.tci-thaijo.org/index.php/jcra/article/view/252888.