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Dyfyniad Arddull ChicagoDixon, Robert. The Origin of the Term "Dismal Science" to Describe Economics. Parkville, Vic.: Dept. of Economics, University of Melbourne, 1999.
Dyfyniad MLADixon, Robert. The Origin of the Term "Dismal Science" to Describe Economics. Dept. of Economics, University of Melbourne, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.