000 00501nam a2200169 i 4500
997 0 0 _dData non definida (008date1)
_e1
003 BESGAL
005 20230415010817.0
008 221116s sp ||||| |||| ||| ||spa d
020 _a9781471565571
040 _aCIFP A CARBALLEIRA
080 _a811.111
245 _aWireless Communications
_b: Teacher´s Guide
_c/RANDALL, SARAH; DOOLEY, JENNY
250 _a1ª Edición
260 _aUnited Kingdom
_b: Express Publishing
_c, 2017
852 _aOER003