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Geography and economic development
Gallup, John Luke (contributor); Sachs, Jeffrey (contributor) - 1999 - [Elektronische Ressource]
Persistent link: https://www.econbiz.de/10002161848
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Geography and economic development
Gallup, John Luke; Sachs, Jeffrey - 1998
Persistent link: https://www.econbiz.de/10000996514
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Geography and economic development
Gallup, John Luke; Sachs, Jeffrey; Mellinger, Andrew D. - 1998
Persistent link: https://www.econbiz.de/10001355778
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Real effects of academic research : some evidence from West Germany
Acs, Zoltán J.; Audretsch, David B.; Feldman, Maryann P. - 1991
Persistent link: https://www.econbiz.de/10000821758