@TECHREPORT {SONWA:2008a,
title = {Diversifying and intensifying the Cocoa Agroforest Landscape: review and strategic approaches for managing the shade matrix in West and Central Africa},
author = {Sonwa, D. and Weise, S. and Janssens, M. and Schroth, G. and Shapiro, H. },
year = {2008},
month = {January},
type = {The Sustainable Tree Crops Program (STCP): working paper series},
number = {4},
pages = {1--60},
institution = {International Institute of Tropical Agriculture (IITA)},
address = {Accra, Ghana},
note = {p. 1-60},
}