000 00315nam a22001217a 4500
999 _c86074
_d86074
100 _aKEERTHANA B SUDHA PARIMALA R G KIRTANA R N
245 _aATTNLEDGER: CLASSROOM ATTENDANCE USING BLOCKCHAIN TECHNOLOGY
300 _a49
700 _fAPRIL 2019
852 _aCENTRAL LIBRARY
942 _cPR