000 00289nam a22001217a 4500
020 _a9789388854214
082 _a362.4
_bPET.A
100 _aPETTALA,RAMAKRISHNA
245 _aASSISTIVE TECHNOLOGY AND HEARING IMPAIRMENT
260 _aINDIA:
_bDPH,
_c2020.
300 _a238p.
942 _cBK
999 _c326621
_d326621