Provisional guidelines on standard international age classifications.
- New York : Department of International Economic and Social Affairs (DIESA) , 1982
- iv, 28p. : ill. ; 28 cm.
- Studies papers., Series F ;, no. 74 .
Includes bibliographical references.
Age distribution (Demography)
Age
Age--Classification
UN DIESA SP-M-74
Includes bibliographical references.
Age distribution (Demography)
Age
Age--Classification
UN DIESA SP-M-74