@TECHREPORT {MUILERMAN:2011, title = {Costs associated with farmer field schools and video viewing clubs on cocoa integrated crop and pest management: the experience of STCP. STCP Impact Brief, no. 8}, author = {Muilerman, S. and David, S. }, year = {2011}, month = {March}, type = {Impact Brief}, number = {8}, institution = {IITA}, note = {The Sustainable Tree Crops Program(STCP)}, }