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Dyfyniad Arddull ChicagoD. Hamrin Robert. Managing Growth in the 1980 Toward a New Economics. In lần thứ 1. U.S.A: Praeger Publishers, 1980.
Dyfyniad MLAD. Hamrin Robert. Managing Growth in the 1980 Toward a New Economics. In lần thứ 1. U.S.A: Praeger Publishers, 1980.
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