The aging of populations and its economic and social implications.

Manylion Llyfryddiaeth
Awdur Corfforaethol:	United Nations. Dept. of Economic and Social Affairs
Fformat:	Llyfr
Iaith:	English
Cyhoeddwyd:	New York s.n. 1956.
Cyfres:	Population studies no. 26
Pynciau:	Old age.