Takkachonchoochai, Chanaphorn, Nantana Mune, and Thanaphon Khamthiang. “Relationship between stress factors and stress levels in the situation of the Coronavirus-2019 among restaurant owners in the surrounding areas of Chiang Rai Rajabhat University”. UBRU Journal for Public Health Research 12, no. 3 (December 28, 2023): 35–46. accessed October 9, 2026. https://he02.tci-thaijo.org/index.php/ubruphjou/article/view/262925.