TY  - RPRT
TI  - Computer-programmed instruction: The relation of required interaction to practical application.
AU  - R M Tudor
AU  - D E Bostow
PY  - 1991
DO  - 10.1901/jaba.1991.24-361
UR  - https://pubmed.ncbi.nlm.nih.gov/16795749/
ID  - 16795749
ER  -