Jin, H., He, Y. și Zhao, C. (2018) „Social Security Expenditure, Demographic Structural Changes, and Urban?Rural Income Gap in China: Evidence from the Provincial Data”, Revista de Cercetare si Interventie Sociala, 62, pp. 254–277. Disponibil la: https://www.rcis.ro/journal/article/view/2463-social-security-expenditure-demographic-structural-changes (Data accesării: 6 noiembrie 2026).