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Renewable energy technologies in Africa
Stephen Karekezi and Timothy Ranja
Bok Engelsk 1997
Energy options for Africa : environmentally sustainable alternatives
edited and introduced by Stephen Karekezi...
Bok Engelsk 1993
Energy for rural development
edited and introduced by M. R. Bhagavan &...
Bok Engelsk 1992
Energy management in Africa
J. Baguant ... [et al.] ; edited and intr...
Bok Engelsk 1992