Whitten, J. L. (1998). Systems analysis and design methods. Irwin/McGraw- Hill.
Trích dẫn kiểu ChicagoWhitten, Jeffrey L. Systems Analysis and Design Methods. Irwin/McGraw- Hill, 1998.
Deismireacht MLAWhitten, Jeffrey L. Systems Analysis and Design Methods. Irwin/McGraw- Hill, 1998.
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