Shelly, Gary B.
Systems analysis and design / Gary B. Shelly and others. - Boyd & Frazer 1991.
1935
System analysis.
System design.
QA76.9 / S88She.
Systems analysis and design / Gary B. Shelly and others. - Boyd & Frazer 1991.
1935
System analysis.
System design.
QA76.9 / S88She.