http://tags.library.upenn.edu/tag/trade+africa PennTags Feed for /tag/trade+africa PennTags Feed http://tags.library.upenn.edu/makerecord/url/8173 http://tags.library.upenn.edu/makerecord/url/8173 Busy work or real business: Revaluing the role of non-agricultural activities in African rural development. http://tags.library.upenn.edu/makerecord/url/7989 http://tags.library.upenn.edu/makerecord/url/7989 The logistical revolution and the changing structure of agriculturally based commodity chains in Africa