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Development partners consultation on land cover map and geodatabase for Africa "Africover" : statement
“Yaker, Layashi; United Nations. Economic Commission for Africa (1994-07). Development partners consultation on land cover map and geodatabase for Africa "Africover" : statement. Addis Ababa :. © UN. ECA,. http://hdl.handle.net/10855/20724”
Workshop on statistical computing : selected issues including statistical databases
“Yaker, Layashi; United Nations. Economic Commission for Africa (1994-11). Workshop on statistical computing : selected issues including statistical databases. Addis Ababa :. © UN. ECA,. http://hdl.handle.net/10855/20905”
Ninth ordinary session fo the OAU scientific council
“Yaker, Layashi; United Nations. Economic Commission for Africa (1994-08). Ninth ordinary session fo the OAU scientific council. Addis Ababa :. © UN. ECA,. http://hdl.handle.net/10855/20903”