Kim, J., Castillejos-Petalcorin, C., Park, D. and Ruiz Estrada, M. A. (2020) “Population Aging, Economic Growth, and Old-Age Income Support in Asia”, Thailand and The World Economy, 38(3), pp. 1–23. available at: https://so05.tci-thaijo.org/index.php/TER/article/view/240609 (accessed: 12 September 2026).