H. Jin, Y. He, et C. Zhao, « Social Security Expenditure, Demographic Structural Changes, and Urban?Rural Income Gap in China: Evidence from the Provincial Data », rcis, vol. 62, p. 254–277, sept. 2018, Consulté le: nov. 06, 2026. Disponible sur: https://www.rcis.ro/journal/article/view/2463-social-security-expenditure-demographic-structural-changes