| 000 | 00471nam a2200169 a 4500 | ||
|---|---|---|---|
| 005 | 20210223125044.0 | ||
| 008 | 030807s1968 mx r 000 0 spa d | ||
| 035 | _aUPN01000127602 | ||
| 049 | _aCG | ||
| 050 | 4 |
_aT66 _bS2.2 |
|
| 100 | 1 | _aSaettler, Paul | |
| 245 | 1 | 2 |
_aA history of instructional technology / _cPaul Saettler. |
| 260 |
_aNew York : _bMcGraw-Hill, _cc1968. |
||
| 300 |
_a399 p. : _bil. |
||
| 650 | 4 |
_aENSEÑANZA TECNICA - _xHISTORIA _921318 |
|
| 905 | _aLibro | ||
| 999 |
_c99781 _d99781 |
||