Chen, Chong, and Napaporn Khantanapha. “Market Brand of Adult Education for Academic Credentials in Guangdong, China”. Journal of Multidisciplinary in Humanities and Social Sciences 7, no. 1 (February 27, 2024): 186–202. accessed September 13, 2026. https://so04.tci-thaijo.org/index.php/jmhs1_s/article/view/267565.