TY  - BOOK
ED  - Raised lines foundation
TI  - Self - learning tactile  manual for graphs
U1  - 912.3 
CY  - Sonepat
PB  - Raised line foundation
N1  -  Tactile kit for graph. DIY tactile kit for graphs
N2  - This kit helps a persons with visual impairment to participate in graphing activities. These  grind lines are uses as a reference for creating axes labels and easily reading axes values corresponding to the various data points on the graph
ER  -