TY  - RPRT
TI  - Motivating autistic children through stimulus variation.
AU  - G Dunlap
AU  - R L Koegel
PY  - 1980
DO  - 10.1901/jaba.1980.13-619
UR  - https://pubmed.ncbi.nlm.nih.gov/7204282/
ID  - 7204282
ER  -