TY - JOUR AU - TI - The Life Cycle of Groups: Group Developmental Stage Theory. Roy Lacoursiere JF - Social Service Review DO - 10.1086/644062 DA - 1982-12-01 UR - https://www.deepdyve.com/lp/crossref/the-life-cycle-of-groups-group-developmental-stage-theory-roy-KcpRWlmYqF SP - 674 EP - 675 VL - 56 IS - 4 DP - DeepDyve ER -