:  Valachich J, Jeorge J, Hoffer J
:  Essentials of Systems Analysis and Design
:  
( ):  Pearson
:  
:  Valachich J., Jeorge J., Hoffer J. Essentials of Systems Analysis and Design. 5th ed. Prentice Hall: Pearson, 2012. 445 p.
:  



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