Hinon K, Seubpradit L. Guidelines for Using Instructional Materials of Vocational Education in Thailand during COVID-19. Int J Edu Comm Tech [internet]. 2022 Jun. 30 [cited 2026 Sep. 3];2(1):7-17. available from: https://ph01.tci-thaijo.org/index.php/IJECT/article/view/250319