| 000 | 00407nam a2200145Ia 4500 | ||
|---|---|---|---|
| 005 | 20240821160304.0 | ||
| 008 | 240821s9999||||xx |||||||||||||| ||und|| | ||
| 082 | _a371.394 ELL | ||
| 100 | _aEllson, D.G. | ||
| 245 | 0 | _aProgrammed tutoring : a teaching aid and a research tool | |
| 260 |
_aIndiana _bIndiana University _c1965 |
||
| 300 | _a127p | ||
| 650 | _aMethod of Instruction and Study | ||
| 942 | _cBK | ||
| 999 |
_c157323 _d157323 |
||