Information technology and productivity : an economic analysis of the effect of product differentiation
著者
書誌事項
Information technology and productivity : an economic analysis of the effect of product differentiation
U.M.I., c1991
マイクロ形態（マイクロフィルム (リール)）
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注記
Thesis (Ph.D.)--University of Minnesota, 1991
"Dissertations on business management of main universities in America"--Container