Clinebell, Howard John, 1922- Growth groups : marriage and family enrichment, creative singlehood, human liberation, youth work, social change / Howard Clinebell. - Nashville : Abingdon, 1977 - 176 p. ; 21 cm. "Originally published as The people dynamic" Includes bibliographies and index. Open access. ISBN: 068715975X LCCN: 7780169 Subjects--Topical Terms: Group relations training.