TY  - RPRT
TI  - A simple systems model for community programs.
AU  - J M Raeburn
AU  - F W Seymour
PY  - 1979
DO  - 10.1002/1520-6629(197910)7:4<290::aid-jcop2290070403>3.0.co;2-c
UR  - https://pubmed.ncbi.nlm.nih.gov/10244323/
ID  - 10244323
ER  -