Kunna, P. and Sukavatee, P. (2017) “STUDY OF THE USE OF MULTIMEDIA FOR ENGLISH TEACHERS IN SPECIAL PURPOSE SCHOOLS IN NORTHERN REGION”, An Online Journal of Education, 12(1), pp. 558–572. available at: https://so01.tci-thaijo.org/index.php/OJED/article/view/234538 (accessed: 12 September 2026).