@INPROCEEDINGS {SONWA D.J.:2005, title = {Production constraints on cocoa agroforestry systems in West and central Africa: the need for integrated pest management and multi-institutional approaches}, author = {Sonwa, D. and Ngobo, M. and Weise, S. and Adesina, A. and Nkongmeneck, B. A. * and Tchatat, M. and Ndoye, O. }, editor = {Innes, J. L. and Edwards, I. and Wilford, D. }, booktitle = {XXII IUFRO World Congress, August 8-13, Brisbane, Australia}, year = {2005}, month = {August}, pages = {349}, }