Secrets of selling information by mail
By: by John C. Dickson.
Publisher: Success Publications
Published: 1984
Place of publication: Marietta, GA (3872 Johnson Ferry Dr., N.E., Marietta 30062)
Language: eng
Number of pages: 68
Subjects: Mail-order business.; Information services.; Home-based businesses.; Authorship.
Notes: Bibliography: p. 67.