Kendall, K. E. (1999). Systems analysis and design (4th ed.). Upper Saddle River, N.J.: Prentice-Hall.
Παραπομπή Chicago StyleKendall, Kenneth E. Systems Analysis and Design. 4th ed. Upper Saddle River, N.J.: Prentice-Hall, 1999.
Παραπομπή MLAKendall, Kenneth E. Systems Analysis and Design. 4th ed. Upper Saddle River, N.J.: Prentice-Hall, 1999.
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