Fertility levels and trends as assessed from twenty world fertility surveys.

Fertility levels and trends as assessed from twenty world fertility surveys.

Библиографические подробности
Соавтор: United Nations. Department of International Economic and Social Affairs
Формат: ‌
Язык:English
Опубликовано: New York United Nations 1983.
Предметы:
Fertility, Human > Developing countries > Statistics.