@ARTICLE {GRAEFE:2017,
title = {Evaluating farmers' knowledge of shade trees in different cocoa agro-ecological zones in Ghana},
author = {Graefe, S. and Meyer-Sand, L. F. and Chauvette, K. and Abdulai, I. and Jassogne, L. and Vaast, P. and Asare, R. },
journal = {Human Ecology},
year = {2017},
pages = {1--12},
issn = {0300-7839},
note = {WAHub; CRP CCAFS; Cocoa; Published online 09 March 2017},
doi = {10.1007/s10745-017-9899-0},
}