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Dyfyniad Arddull ChicagoWorld Bank, Gerald M. Meier, William F. Steel, and Richard J. Carroll. Industrial Adjustment in Sub-Saharan Africa. New York: Oxford University Press, 1989.
Dyfyniad MLAWorld Bank, et al. Industrial Adjustment in Sub-Saharan Africa. Oxford University Press, 1989.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.