Heap, Ken Process and action in work with groups the preconditions for treatment and growth by Ken Heap. - 1st ed. - Oxford [Eng.] New York Pergamon Press 1979. - x, 157 p. 22 cm. Includes index. Bibliography: p. 151-154. ISBN: 0080230237 £6.00 (12.00) 0080230229 (pbk.) LCCN: 78040386 //r86 Nat. Bib. No.: GB78 Subjects--Topical Terms: Social group work LC Class. No.: HV45 / .H42 1978 Dewey Class. No.: 361.4/094