Suwanroj, Thamasan, and Orawan Saeung. “New Normal Appropriate Learning Model : 2NAL Model During COVID-19 Pandemic for Undergraduates of Thai Educational Institutions”. Journal of Engineering Education Transformations (April 1, 2022): 31–41. Accessed December 5, 2025. https://journaleet.in/index.php/jeet/article/view/1869.