@INPROCEEDINGS {NKAMLEU:2003, title = {Cocoa Based Farming Systems in Humid Forest Zone of West and Central Africa: Constraints and Opportunities}, author = {Nkamleu, G. B. and Ndoye, O. }, booktitle = {Paper presented at: Science and Technology Strategies for Improved Agricultural Productivity and Food Security in West And Central Africa (WCA)}, year = {2003}, location = {Dakar, Senegal}, }