nora, wanida. “Self-Protection Behavior from Coronavirus Disease 2019 of People in Tourist Area in Chiang Mai Province”. Journal of MCU Phetchaburi Review, vol. 7, no. 1, Apr. 2024, pp. หน้า 566 - 579, https://so03.tci-thaijo.org/index.php/JPR/article/view/275205.