TY  - BOOK
AU  - Singh, J.P. 
TI  - Technology for the blind : Concept and contex
SN  - 8473915768
U1  - 371.9 
PY  - 2015///
CY  - New Delhi 
PB  - Kanishka Publishers 
KW  - India
KW  - Blind-services for
N1  - U.G.C - M.R.P 2017-19(Dr.Ranjita Dawn)
ER  -