Concise report on the world population situation in 1991, with a special emphasis on age structure.

Concise report on the world population situation in 1991, with a special emphasis on age structure.

Détails bibliographiques
Collectivité auteur: United Nations Department of International Economic and Social Affairs
Format: Livre
Langue:English
Publié: New York United Nations 1991.
Sujets:
Population.
Population policy.