TY  - RPRT
TI  - Behavioral contracting: outcomes and elements.
AU  - D S Kirschenbaum
AU  - R C Flanery
PY  - 1983
DO  - 10.1016/b978-0-12-535615-2.50010-3
UR  - https://pubmed.ncbi.nlm.nih.gov/6679067/
ID  - 6679067
ER  -