ถนอมวงษ์ เ., and ผิวเหลือง ง. “A CAUSAL MODEL OF DEVELOPMENT OF CAREER MATURITY IN PSYCHOLOGIST”. Journal of Industrial Education, vol. 16, no. 3, Jan. 2018, pp. 126-34, https://ph01.tci-thaijo.org/index.php/JIE/article/view/120320.