TY  - RPRT
TI  - A systems approach to ethical problems.
AU  - Patrick O'Neill
AU  - Riley Hern
PY  - 1991
DO  - 10.1207/s15327019eb0102_5
UR  - https://pubmed.ncbi.nlm.nih.gov/11653074/
ID  - 11653074
ER  -