Lungkapin K. Optimizing Online English Language Teaching: A Post-COVID Exploration of Teaching Presence through the Lens of Thai EFL Undergraduates. TJ [internet]. 2024 Jun. 6 [cited 2026 Sep. 28];37(1):91-110. available from: https://so05.tci-thaijo.org/index.php/thaitesoljournal/article/view/273550