TY  - RPRT
TI  - Increasing task behavior in a language arts program by providing reinforcement.
AU  - D E Smith
AU  - D Brethower
AU  - R Cabot
PY  - 1969
DO  - 10.1016/0022-0965(69)90027-7
UR  - https://pubmed.ncbi.nlm.nih.gov/5804592/
ID  - 5804592
ER  -