TY  - RPRT
TI  - Activity-interview group psychotherapy: theory, principles, and practice.
AU  - M Schiffer
PY  - 1977
DO  - 10.1080/00207284.1977.11492308
UR  - https://pubmed.ncbi.nlm.nih.gov/892944/
ID  - 892944
ER  -