Hansamorn, K., and V. Thammakittipob. “Problems and Requirements in Teaching and Learning at the Vocational Level in the Eastern Economic Corridor from the Situation of the Spread of the Covid-19 Virus”. University of the Thai Chamber of Commerce Journal Humanities and Social Sciences, vol. 43, no. 4, Dec. 2023, pp. 101-20, https://so06.tci-thaijo.org/index.php/utccjournalhs/article/view/264217.