TY  - RPRT
TI  - Techniques for rapid quantitative assessment of activity levels in small-group tutorials.
AU  - J F Prinz
AU  - H Y Yip
AU  - G L Tipoe
AU  - P W Lucas
AU  - M Lenstrup
PY  - 1998
DO  - 10.1046/j.1365-2923.1998.00224.x
UR  - https://pubmed.ncbi.nlm.nih.gov/9743807/
ID  - 9743807
ER  -