@INPROCEEDINGS {SONWA:2003c, title = {The promotion of cocoa agroforest in West and Central Africa (French tittle: Promotion des agrofor{\^e}ts cacao en Afrique de l'Ouest et Centrale)}, author = {Sonwa, D. and Weise, S. and Ndoye, O. and Janssens, M. }, booktitle = {Paper presented at: Paper presented at the XII World Forestry Congress, 21-18 September}, year = {2003}, location = {Quebec City, Canada}, }