TY  - RPRT
TI  - Formal and informal classroom settings: effects on hyperactivity.
AU  - R G Jacob
AU  - K D O'Leary
AU  - C Rosenblad
PY  - 1978
DO  - 10.1007/bf00915781
UR  - https://pubmed.ncbi.nlm.nih.gov/632459/
ID  - 632459
ER  -