@ARTICLE {SONWA:2005c, 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 Weise, S. and Adesina, A. and Nkongmeneck, B. A. * and Tchatat, M. and Ndoye, O. }, journal = {Forestry Chronicle}, year = {2005}, volume = {81}, pages = {345--349}, }