Local-level assessment of the economic importance of wild resources in the Hadejia-Nguru Wetlands, Nigeria /
Adaya, A. L.
International Institute for Environment and Development.Sustainable Agriculture Programme.
International Institute for Environment and Development.Environmental Economics Programme.
Hadejia-Nguru Wetlands Conservation Project.
Collaborative Research in the Economics of Environment and Development.
London : Environmental Economics Programme and the Sustainable Agriculture Programme, International Institute for Environment and Development,
1997.
On cover: The hidden harvest : the role of wild foods in agricultural systems.