Satsin T, Wongwiseskul S. Lessons Learn from Online Teaching: Challenges for Teacher under COVID - 19 Situations. J Royal Thai Army Nurses [internet]. 2021 Apr. 24 [cited 2025 Dec. 7];22(1):1-9. available from: https://he01.tci-thaijo.org/index.php/JRTAN/article/view/242773