TY  - RPRT
TI  - Group processes in helping groups: toward a developmental perspective.
AU  - M Lakin
AU  - J Bremer
AU  - B Oppenheimer
DO  - 10.2190/f9ru-xpf3-jhfp-jh1l
UR  - https://pubmed.ncbi.nlm.nih.gov/6671827/
ID  - 6671827
ER  -