Weston, J. F. (1975). Programmed learning aid for financial management. Homewood, Ill: Learning Systems Co.
Παραπομπή Chicago StyleWeston, J. Fred. Programmed Learning Aid for Financial Management. Homewood, Ill: Learning Systems Co, 1975.
Παραπομπή MLAWeston, J. Fred. Programmed Learning Aid for Financial Management. Homewood, Ill: Learning Systems Co, 1975.
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