World demographic estimates and projections 1950-2025 : total population, school age population, economically active population, Agricultural and non agricultural population, urban and rural population
United Nations. Department of International Economic and Social Affairs.
World demographic estimates and projections 1950-2025 : total population, school age population, economically active population, Agricultural and non agricultural population, urban and rural population - New York United Nations 1988 - 386p.: tables; 28cm. - Department of International Economic and Social Affairs .
DB312.8 / UNI
World demographic estimates and projections 1950-2025 : total population, school age population, economically active population, Agricultural and non agricultural population, urban and rural population - New York United Nations 1988 - 386p.: tables; 28cm. - Department of International Economic and Social Affairs .
DB312.8 / UNI