Dixon, Chris J.
Rural development in the third world
Routledge, 2015
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Raaflaub, Kurt A.
Geography and ethnography : perceptions of the world in pre-modern societies
Wiley Blackwell, 2013
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McKay, John P.
A history of world societies; Volume I : to 1715
Houghton Miffiln, 1984
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World guide to scientific associations and learned societies
K.G. Saur, 1994
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The World of learning 1994 : forty-fourth edition
Europa Publications Limited, 1993
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