Backgrounds of human fertility in Puerto Rico; a sociological survey.

Backgrounds of human fertility in Puerto Rico; a sociological survey.

Manylion Llyfryddiaeth
Prif Awdur: Hatt, Paul K.
Fformat: Llyfr
Iaith:English
Cyhoeddwyd: Princeton Princeton University Press c1952.
Pynciau:
Fertility.
Puerto Rico > Social conditions.
Puerto Rico > Statistics, Vital.