LEADER 00000nam 2200181 a 4500 001 0095250 003 UkHlHU 007 t 008 002008 0 1975 000 eng 020 0878221638 040 UkHlHU 050 4 RC 489 B4 P4 245 00 Personal effectiveness :|bguiding people to assert themselves and improve their social skills /|cRobert Paul Liberman ... [et al.] 260 Champaign, Ill. :|bResearch Press,|c1975. 300 169p. 650 0 Behavior therapy. 650 0 Assertiveness (Psychology) 650 0 Social skills. 700 1 Liberman, Robert Paul.
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