%0 Journal Article %T Group membership and certification effects on incomes of coffee farmers in Uganda %A Ssebunya, Brian, Robert %A Morawetz, Ulrich, B %A Schader,, Christian %A Stolze,, Matthias %A Schmid,, Erwin %J European Review of Agricultural Economics %V 46 %N 1 %@ 0165-1587 %D 2019-02-01 %I Oxford University Press %~ DeepDyve