Azala

Variables and questionnaire for comparative fertility surveys.

Xehetasun bibliografikoak
Erakunde egilea: United Nations. Department of Economic and Social Affairs
Formatua: Liburua
Hizkuntza:ingelesa
Argitaratua: New York [s.n.] 1970.
Saila:Its Populations Studies no. 45
Gaiak:
Fertility.