TY  - RPRT
TI  - Self-instruction through reading: the Keller plan.
AU  - P J Stoward
PY  - 1976
DO  - 10.1111/j.1365-2923.1976.tb00467.x
UR  - https://pubmed.ncbi.nlm.nih.gov/958034/
ID  - 958034
ER  -