Centrex market opportunities
By: Harry Carrel, Francis McInerney, William Rich.
Contributors: McInerney, Francis.; Rich, William, 1960-; Northern Business Information.
Edition: 1988 ed.
Publisher: Northern Business Information
Published: 1988
Place of publication: New York
Language: eng
Number of pages: 84
Subjects: Telephone supplies industry -- United States.; Centrex telephone service -- United States.; Market surveys -- United States.
Notes: "March 1988."
Includes indexes.