Townend, Anni. Developing assertiveness / Anni Townend. - Australia : Thomson Learning, 1991. - viii, 136 p. ; ill.; 21 cm. - Self-development for managers . ISBN: 1861529562 Subjects--Topical Terms: Psychology, Industrial.Assertiveness (Psychology) Dewey Class. No.: 158.2 / TOW-D 2001 800457