Hoffer, J. A. (2005). Modern systems analysis and design. Upper Saddle River: Pearson Prentice Hall.
Παραπομπή Chicago StyleHoffer, Jeffrey A. Modern Systems Analysis and Design. Upper Saddle River: Pearson Prentice Hall, 2005.
Παραπομπή MLAHoffer, Jeffrey A. Modern Systems Analysis and Design. Upper Saddle River: Pearson Prentice Hall, 2005.
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