อมรสิริพงศ์ สมศักดิ์, and น้อมเนียน อาชว์ภูริชญ์. “A Development of Social Welfare System for the Elderly Labors in Informal Sectors to Reduce the Social Inequality in Special Economic Zone: A Case Study of Sa Kaeo Special Economic Zone (Phase II)”. Journal of Social Work 27, no. 2 (December 29, 2019): 27–47. Accessed May 6, 2024. https://so04.tci-thaijo.org/index.php/swjournal/article/view/232925.