Suttiwan, Witsanu, and Kiatisak Raksapoln. 2022. “A Study and Comparison of the Behavior and Attentive Level of Online Learners from the Faculty of education during the COVID-19 Pandemic”. Journal for Developing the Social and Community 9 (3). Bangkok, Thailand:327-46. https://so03.tci-thaijo.org/index.php/rdirmu/article/view/259085.