| 000 | 00490nam a2200169Ia 4500 | ||
|---|---|---|---|
| 008 | 220119s9999||||xx |||||||||||||| ||und|| | ||
| 020 | _a877781109 | ||
| 040 | _cIAB | ||
| 082 | _a371.3 ALD 1978 | ||
| 100 | _aAlden, Jay. | ||
| 245 | 0 | _aBackward Chaining : Teaching Task Performance. | |
| 260 |
_bEducational Technology Pub. _c1978 |
||
| 300 | _aXI, 69 P. ; 23 CM. | ||
| 500 | _aTHE INSTRUCTIONAL DESIGN LIBRARY ; V.6 | ||
| 504 | _aIncludes bibliographical references. | ||
| 942 | _cBOOK | ||
| 999 |
_c45328 _d45328 |
||