World demographic estimates and projections, 1950-2025 : total population, school-age population, economically active population, agricultural and non-agricultural population, urban and rural population a report

Λεπτομέρειες βιβλιογραφικής εγγραφής
Συλλογικό Έργο: United Nations. Department of International Economic and Social Affairs, International Labour Organisation
Μορφή: Βιβλίο
Γλώσσα:English
Έκδοση: New York United Nations. Dept. of International Economic and Social Affairs 1988.
Θέματα: