000 00323nam a2200157 a 4500
003 DLC
005 20210219152748.0
022 _a0278-3258
035 _aUPN01000060245
245 0 0 _aELECTRONIC LEARNING
260 _bScholastic,
260 _c1978
310 _aBimestral
905 _aRevista
999 _c60069
_d60069