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1nork Perry, Elizabeth J.Aurkibidea “...Predators and Protectors: Strategies of Peasant Survival --...”
Argitaratua 2002
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2nork Beinart, WilliamAurkibidea “...The Night of the Jackal: Sheep, Pastures, and Predators, 1890-1930 --...”
Argitaratua 2003
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