N. Prapaipanich, L. Golota, A. Ratniyom, R. Saleepon, T. Srisaringkarn, and S. Sukpaiboonwat, “Aging, Pension System, and Economic Growth in Poland and Thailand”, J. Multidiscip. Soc. Sci., vol. 21, no. 3, pp. 372–383, Nov. 2025.