wattanadarmai, patchpong, S. Nakphin, and W. Pichaiwongphakdee. “Public Health Concerns and Marketing Mix Factors Affecting the Decision to Choose a Local Restaurant on Samui Island in the New Normal Era”. Journal of Management Science Chiangrai Rajabhat University, vol. 18, no. 1, June 2023, pp. 55-76, https://so03.tci-thaijo.org/index.php/jmscrru/article/view/264146.