Ngamchaliew, P., Vichitkunakorn, P. ., Wangsapan , P. ., Buppodom, N. ., Junchoo, N. ., Chanhom, P. ., Sudsangiam, G. ., Patpoom, M. . and Chaichana , C. . (2021) “Innovative Device for Enhancing Physical Distancing in the COVID-19 Situation”, Siriraj Medical Journal, 73(2), pp. 69–76. doi: 10.33192/Smj.2021.10.