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Durban : Butterworths, 1999. Third edition.
English | G 33 BUR.B |
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2.
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Nairobi, Kenya : African Centre for Technology Studies, 1989.
English | G 22 JUM.I |
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3.
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Cheltenham, UK : Edward Elgar, 2013
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4.
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Paris : L'Harmattan, c2008.
French | H 10 NGO.E |
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5.
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London : Earthscan, 2006.
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