@ARTICLE {SONWA:2008, title = {Management of cocoa: constraints during acquisition and application of pesticides in the humid forest zones of Southern Cameroon}, author = {Sonwa, D. and Coulibaly, O. and Weise, S. and Adesina, A. and Janssens, M. }, journal = {Crop Protection}, year = {2008}, volume = {27}, number = {8}, pages = {1159--1164}, issn = {0261-2194}, doi = {10.1016/j.cropro.2008.02.004}, }