TY  - RPRT
TI  - Contingency contracting with school problems.
AU  - R P Cantrell
AU  - M L Cantrell
AU  - C M Huddleston
AU  - R L Wooldridge
PY  - 1969
DO  - 10.1901/jaba.1969.2-215
UR  - https://pubmed.ncbi.nlm.nih.gov/16795222/
ID  - 16795222
ER  -