ACIL Australia Pty. Ltd. in association with Snowy Mountain Engineering 1992

v. 2

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edited by Phil O'Keefe and Barry Munslow

Beijer Institute, Royal Swedish Academy of Sciences , Scandinavian Institute of African Studies c1984 Energy, environment, and development in Africa 3-4

pt. 1 , pt. 2

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Arne Tostensen

Scandinavian Institute of African Studies 1982 Research report / Nordiska Afrikainstitutet = / Scandinavian Institute of African Studies no. 62

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edited by Amon J. Nsekela

Collings 1981

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