Chen, C., and N. Khantanapha. “Market Brand of Adult Education for Academic Credentials in Guangdong, China”. Journal of Multidisciplinary in Humanities and Social Sciences, vol. 7, no. 1, Feb. 2024, pp. 186-02, https://so04.tci-thaijo.org/index.php/jmhs1_s/article/view/267565.