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London : IUCN, World Conservation Union, 2000.
English | G 26 DUT.I |
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2.
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Ottawa [Ontario] : Centre De Recherches Pour Le Développement International (CRDI), 1994.
French | G 26 CRDI.B |
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3.
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Cambridge : Cambridge University Press, 1993.
English | G 26 HOL.G |
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4.
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Ottawa : International Development Research Centre, c1994.
English | G 26 IDRC.P |
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5.
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Tucson : University of Arizona Press, c1990.
English | S 191 FOW.S |
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6.
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Wallingford, Oxon, UK : CABI Pub., 2000.
English | G 252 SAN.A |
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