5Simon Szreter. The Right of Registration: Development, I- dentity Registration, and Social Security - A Historical Per- spective [ J ]. World Development, 2007, 35 ( 1 ) :67 - 86.
6Altmeyer, Arthur J. The formative years of social security[ M]. Madison: University of Wisconsin Press, 1966:81 - 96.
9Mason, Andrewm, Lee, Ronald. Reform and support sys- tems for the elderly in developing countries: capturing the second demographic dividend [ J ]. Genus, 2006,2 ( 62 ) : ll -35.