Chong, R., Sakpakornkan , N., & Chutopama, S. (2024). The Curriculum Administration Model Under the "1+X" Certificate System in Nanning Higher Vocational College of Guangxi Province in People’s Republic of China. Journal of Roi Kaensarn Academi, 9(7), 354–363. สืบค้น จาก https://so02.tci-thaijo.org/index.php/JRKSA/article/view/270722