TY - BOOK ED - United Nations Economic and Social Affairs (UNESA) TI - Population, agriculture and environment in Africa: some keys indicators AV - UN-ECA(058) PY - 2001/// CY - PB - UNITED NATIONS KW - POPULATION--ECONOMIC ASPECTS--AFRICA KW - AGRICULTURE--ECONOMIC ASPECTS--AFRICA KW - SUSTAINABLE DEVELOPMENT--AFRICA KW - SUSTAINABLE AGRICULTURE--AFRICA ER -