Ackoff, R. L. (1970). A concept of corporate planning. New York: John Wiley & Sons.
シカゴスタイル引用形Ackoff, Russell Lincoln. A Concept of Corporate Planning. New York: John Wiley & Sons, 1970.
MLA引用形式Ackoff, Russell Lincoln. A Concept of Corporate Planning. New York: John Wiley & Sons, 1970.
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