Marketing in-house training programs /

gan Schrello, Dominick M.
Long Beach, CA : Schrello Direct Marketing, 1984

The seminar market : a research report on open-to-the-public short courses and business seminars in North America /

gan Schrello, Dominick M.
[Long Beach, Calif.] : Schrello Enterprises, 1980

The complete marketing handbook for consultants /

gan Schrello, Dominick M.
San Diego, Calif. : University Associates, 1990