UNITED NATIONS
A comparative evaluation of data quality in thirty-eight world fertility surveys / [by] United Nations - New York United Nations 1987 - xi, 457 p.
Fertility
304.632 / UNI
A comparative evaluation of data quality in thirty-eight world fertility surveys / [by] United Nations - New York United Nations 1987 - xi, 457 p.
Fertility
304.632 / UNI