Technical efficiency and productivity potential of cocoa farmers in West African countries,
Binam, J. N., Gockowski J., and Nkamleu G. B.
, The Developing Economies, 2008, Volume 46, Issue 3, p.242 - 263, (2008)
Transnational sourcing practices in Ghana's perennial crop sectors,
Fold, N.
, Journal of Agrarian Change, 2008, Volume 8, Issue 1, p.29 - pgs., (2008)