TY  - RPRT
TI  - A conceptual framework for evaluating human service delivery systems.
AU  - A L Selig
PY  - 1976
DO  - 10.1111/j.1939-0025.1976.tb01235.x
UR  - https://pubmed.ncbi.nlm.nih.gov/1247093/
ID  - 1247093
ER  -