000			00289nam a22001337a 4500
003			SGT
020			_a81-7391-576-8
082			_a371.91 _bSIN
100			_aSINGH, J.P.
245			_aTECHNOLOGY FOR THE BLIND
260			_aINDIA _bKANISHKA PUB. _c2020
300			_a268
942			_2ddc _cBK
999			_c23233 _d23233