TY  - RPRT
TI  - Effects of high-preference single-digit mathematics problem completion on multiple-digit mathematics problem performance.
AU  - P J Belfiore
AU  - D L Lee
AU  - A U Vargas
AU  - C H Skinner
PY  - 1997
DO  - 10.1901/jaba.1997.30-327
UR  - https://pubmed.ncbi.nlm.nih.gov/9210310/
ID  - 9210310
ER  -