000 | 00646nam a2200193 a 4500 | ||
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005 | 20240221063727.0 | ||
008 | 991125 rei 000 0 eng u | ||
035 | _aUPN01000054783 | ||
049 | _aF | ||
050 | 4 | _aLC6219 P4.8 | |
100 | 1 | _aPerry, Walter | |
245 | 1 | 4 |
_aThe state of distance-learning worldwide : _bthe first report on the index of institutions involved in distance-learning / _cPerry Walter |
260 |
_aReino Unido : _bInternational Centre for DistanceLearning of the United Nations University |
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300 | _ap. 3-20 | ||
500 | _aFotocopia | ||
650 | 4 |
_aEducaciĆ³n a distancia _97924 |
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904 |
_aAC _b054786 |
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905 | _aLibro | ||
999 |
_c54783 _d54783 |