Thaisawat, P., Unsuphan, P. and Janthalakajorn, T. (2019) “ Handshel Worklam”., Vocational Education Central Region Journal, 3(1), pp. 33–42. Available at: https://so06.tci-thaijo.org/index.php/IVECJournal/article/view/246539 (Accessed: 5 May 2024).