Sangkannok, P., and P. Phon-ngam. “DEVELOPMENT OF ACTIVITY MODELS TO ENCOURAGE THE HUMAN CAPITAL VALUE OF LIFE INSURANCE AGENTS IN THE DIGITAL ERA”. Journal of Social Science and Cultural, vol. 7, no. 9, Sept. 2023, pp. 40-50, https://so06.tci-thaijo.org/index.php/JSC/article/view/267188.