BALL ROBERT. (1984). MANAGEMETN TECHNIQUES & QUANTITATIVE METHODS. HEINEMANN.
Chicagoスタイル(17版)引用形式BALL ROBERT. MANAGEMETN TECHNIQUES & QUANTITATIVE METHODS. LONDON: HEINEMANN, 1984.
MLA(9版)引用形式BALL ROBERT. MANAGEMETN TECHNIQUES & QUANTITATIVE METHODS. HEINEMANN, 1984.
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