TY  - RPRT
TI  - A partially self-instructional system that any teacher can develop and implement.
AU  - T Stachnik
AU  - R C Simons
AU  - C Ripstra
PY  - 1976
DO  - 10.1111/j.1365-2923.1976.tb00525.x
UR  - https://pubmed.ncbi.nlm.nih.gov/1263883/
ID  - 1263883
ER  -