TY  - RPRT
TI  - A program evaluation of classroom data collection with bar codes.
AU  - M D Saunders
AU  - J L Saunders
AU  - R R Saunders
DO  - 10.1016/0891-4222(93)90002-2
UR  - https://pubmed.ncbi.nlm.nih.gov/8469795/
ID  - 8469795
ER  -