TY  - RPRT
TI  - A measure of programing in teaching-machine material.
AU  - J G Holland
AU  - F D Kemp
PY  - 1965
DO  - 10.1037/h0022513
UR  - https://pubmed.ncbi.nlm.nih.gov/5825846/
ID  - 5825846
ER  -