Ning C, Sakpakornkan N, Chutopama S. Guidelines for Developing Teacher Competencies in teaching in the 21st Century in Zhejiang Higher Vocational Colleges, People’s Republic of China. J.Humanities Social Sciences [internet]. 2026 Apr. 30 [cited 2026 Sep. 13];9(2):654-70. available from: https://so04.tci-thaijo.org/index.php/jmhs1_s/article/view/283528