Langkhulanon, S., A. Bua-ngam, N. Chaiya, and C. Thepha. “The Study of state welfare card policy implementation: a case study Muang District, Chachoengsao Province”. Journal of the Association of Researchers, vol. 31, no. 2, June 2026, pp. 287-06, https://so04.tci-thaijo.org/index.php/jar/article/view/289905.