Piyasirikul, Kampol. “A Research for the Development of Chinese Language Instruction Offered by Vocational Education in Thailand”. Journal of Sinology (วารสารจีนวิทยา) 11 (August 1, 2017): 73–101. accessed December 3, 2025. https://so16.tci-thaijo.org/index.php/JSINO/article/view/2896.