Srisamosorn, Ravi, Chanin Vijchulata, Pichai Thammarungrueng, and Sirikanya Thammarungrueng. “THE EFFICIENCY OF LIFE INSURANCE SERVICES INSURED TO LIFE INSURANCE AGENTS IN YANNAWA DISTRICT, BANGKOK”. Journal of MCU Phetchaburi Review 6, no. 1 (June 30, 2023): หน้า 99 – 108. accessed December 16, 2025. https://so03.tci-thaijo.org/index.php/JPR/article/view/265270.