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Dyfyniad Arddull ChicagoTurnham, David. The Employment Problem in Less Developed Countries: A Review of Evidence. Paris: O.E.C.D, 1971.
Dyfyniad MLATurnham, David. The Employment Problem in Less Developed Countries: A Review of Evidence. Paris: O.E.C.D, 1971.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.