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Summary review of activities and accomplishments in the use of solar energy in Africa
“United Nations. Economic and Social Council; United Nations. Economic Commission for Africa (1978-12). Summary review of activities and accomplishments in the use of solar energy in Africa. UN. ECA Regional Seminar on Solar Energy (1979, Jan. 8 - 13 : Niamey, Rep.of Niger).. Addis Ababa :. © UN. ECA,. http://hdl.handle.net/10855/6630”