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Worldscope meets Compustat: A Comparison of Financial Databases
Ulbricht, Niels, (2005)
The Impact of Industry Classification Schemes on Financial Research
Weiner, Christian, (2005)
DIE EDV IM GRIFF
striebeck, jörg, (2007)
Management information systems : concepts, structure, and applications
Awad, Elias M., (1988)
Systems analysis and design
Awad, Elias M., (1979)
Business data processing
Awad, Elias M., (1965)