TY  - RPRT
TI  - Programmed learning and long-term retention.
AU  - B Cooper
AU  - J M Foy
PY  - 1966
DO  - 10.1111/j.2042-7158.1966.tb07942.x
UR  - https://pubmed.ncbi.nlm.nih.gov/4381947/
ID  - 4381947
ER  -