Aoyama, Yuko, 1989. Synthesis and Analysis of Socio-demographic Statistics: Ageing Populations of OECD Countries. Restricted Document, Group of Urban Affairs, OECD, November.
Aoyama, Yuko, 1989. Synthesis and Analysis of Socio-demographic Statistics: Ageing Populations of OECD Countries. Restricted Document, Group of Urban Affairs, OECD, November.