TY  - RPRT
TI  - A practical strategy for ongoing reinforcer assessment.
AU  - S A Mason
AU  - G G McGee
AU  - V Farmer-Dougan
AU  - T R Risley
PY  - 1989
DO  - 10.1901/jaba.1989.22-171
UR  - https://pubmed.ncbi.nlm.nih.gov/2745238/
ID  - 2745238
ER  -