Inmai, L. , Makpheng, C. , Wongmek, N. , Maomeegan, N. and Dengmasa, S. 2022. Prevalence and Factors Related to Teen Stress, Anxiety and Depression during the Outbreak of Coronavirus 2019 (COVID-19): A Case Study of Ratsada School, Trang Province. JOURNAL OF SOUTHERN TECHNOLOGY. 15, 2 (Sep. 2022), 48–59.