@techreport{e836a23f38264c25a341bd9af8cd6ae4,
title = "The economics of certified organic farming in tropical Africa: a preliminary assessment",
keywords = "Farming systems, Organic farming, Agricultural economics, Africa South of Sahara",
author = "Peter Gibbon and Simon Bolwig",
year = "2007",
language = "English",
isbn = "9788776051907",
series = "DIIS Working Paper",
publisher = "Danish Institute for International Studies",
number = "03",
address = "Denmark",
type = "WorkingPaper",
institution = "Danish Institute for International Studies",
}