TY  - RPRT
TI  - The Behavior Observation Instrument: a method of direct observation for program evaluation.
AU  - P Alevizos
AU  - W DeRisi
AU  - R Liberman
AU  - T Eckman
AU  - E Callahan
PY  - 1978
DO  - 10.1901/jaba.1978.11-243
UR  - https://pubmed.ncbi.nlm.nih.gov/97258/
ID  - 97258
ER  -