Willings, D. R. (1968). How to use the case study in training for decision making. Business.
シカゴスタイル引用形Willings, David R. How to Use the Case Study in Training for Decision Making. London: Business, 1968.
MLA引用形式Willings, David R. How to Use the Case Study in Training for Decision Making. Business, 1968.
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