Skacel, Robert K. The marketing plan how to prepare it... what should be in it Robert K. Skacel. - Lincolnwood, Illinois NTC Business Books c1976. - 64 p. :ill. LCCN: buc91000243 Subjects--Topical Terms: Marketing LC Class. No.: HF5415 / .L83 1982 Dewey Class. No.: 658.8