LUDLOW Ron Essence of effective communication - London Prentice Hall International UK 1995 - vi, 156p. Bibliography chapterwise cm. - Prentice Hall Essence of Management Series . Reprinted : New Delhi, Prentice Hall of India, 1995 ISBN: 75.00 Source: 7774, 24/04/1995, SETHI General Book Subjects--Topical Terms: Communication Dewey Class. No.: X:8N91, N2