Kulprasong, Keawalin, and Sureerat Aksornkan. 2022. “The Study of Anxiety Levels in Turning on Camera During Online Classes of High-School Students in Surat Thani”. Community and Social Development Journal 23 (2). Chiang Mai, Thailand:210-27. https://doi.org/10.14456/rcmrj.2022.259277.