s:271:"%T Building long-term relationships between producers and trader groups in the non-timber forest product sector in Cameroon %A Foundjem-Tita, D. %A Degrande, A. %A D'Haese, M. %A Van Damme, P. %A Tchoundjeu, Z. %A Gyau, A. %A Facheaux, C. %A Mbosso, C. ";