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CBSE Class 8 Answered

Which is the most popular resource for visually challenged persons? Who developed it?
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer
The most popular resource for visually challenged persons is Braille. Louis Braille developed this system and published it in 1821.
Answered by | 04 Jun, 2014, 03:23: PM
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