Kulprasong K, Aksornkan S. The Study of Anxiety Levels in Turning on Camera During Online Classes of High-school Students in Surat Thani. CSD. Res. J. [Internet]. 2022 Aug. 30 [cited 2024 May 20];23(2):210-27. Available from: https://so05.tci-thaijo.org/index.php/cmruresearch/article/view/259277