Kusolpermpool, S., Sanamthong, E., Suwathanpornkul, I., & Panjan, W. (2021). The Development of a Competency Training Program for Accident Investigatory Personnel for Motor Non-Life Insurance Concerns. Ph.D. In Social Sciences Journal, 11(1), 218–229. Retrieved from https://so05.tci-thaijo.org/index.php/phdssj/article/view/178624