Hammer, T. (1983). Wood for fuel: Energy crisis implying desertification, the case of Bara, the Sudan. Chr. Michelsen Institute, Development Research and Action Programme.
Citace podle Chicago (17th ed.)Hammer, Turi. Wood for Fuel: Energy Crisis Implying Desertification, the Case of Bara, the Sudan. Bergen, Norway: Chr. Michelsen Institute, Development Research and Action Programme, 1983.
Citace podle MLA (8th ed.)Hammer, Turi. Wood for Fuel: Energy Crisis Implying Desertification, the Case of Bara, the Sudan. Chr. Michelsen Institute, Development Research and Action Programme, 1983.
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