@INBOOK {EICHER:1992, title = {Agricultural development in sub-Saharan Africa: a critical survey}, author = {Eicher, C. K. and Baker, D. }, editor = {Martin, L. }, year = {1992}, type = {A survey of agricultural economics literature; vol.4: Agriculture in economic development 1940s-1990s}, pages = {3--328}, publisher = {University of Minnesota Press}, address = {Minneapolis, MN, USA.}, }