TY  - RPRT
TI  - User input mode and computer-aided instruction.
AU  - C S Morrill
AU  - N C Goodwin
AU  - S L Smith
PY  - 1968
DO  - 10.1177/001872086801000304
UR  - https://pubmed.ncbi.nlm.nih.gov/5674358/
ID  - 5674358
ER  -