Chaitiang S, Ngammeerith N, Charoenkittayawut S. A Study of Learning Management Problems During the Coronavirus 2019 (COVID - 19) Pandemic in Secondary Schools in Trat Province, Thailand. IVECJournal [Internet]. 2022 Dec. 28 [cited 2024 May 5];6(2):135-43. Available from: https://so06.tci-thaijo.org/index.php/IVECJournal/article/view/260637