Takkachonchoochai, C., Mune, N. and Khamthiang, T. (2023) “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(3), pp. 35–46. available at: https://he02.tci-thaijo.org/index.php/ubruphjou/article/view/262925 (accessed: 9 October 2026).