TY  - RPRT
TI  - Deriving design recommendations through discount usability engineering: ethnographic observation and thinking-aloud protocol in usability testing for computer-based teaching cases.
AU  - Bonnie Kaplan
PY  - 2003
UR  - https://pubmed.ncbi.nlm.nih.gov/14728192/
ID  - 14728192
ER  -