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Dyfyniad Arddull Chicagofedorowicz, zdzislaw. Credit Planning in the Socialist Economy. cairo: the institute of national planning, 1964.
Dyfyniad MLAfedorowicz, zdzislaw. Credit Planning in the Socialist Economy. the institute of national planning, 1964.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.