Columbia subject headings:
Computers--Marketing--Case studies.
Electronic office machines--Marketing--Case studies.
International Business Machines Corporation.
Marketing--Case studies.
Harvard subject headings:
Computers--Marketing--Case studies.
Electronic office machines--Marketing--Case studies.
International Business Machines Corporation.
Marketing--Case studies
Princeton subject headings:
Case studies.
Computers--Marketing--Case studies.
Electronic office machines--Marketing--Case studies.
International Business Machines Corporation.
Marketing--Case studies.