Dwivedi, Kshama. <br/><br/>
Institute for the visually challanged  Aurangabad (Maharashtra). 

 - Hamirpur :  National Institute of Technology  2011 
 - 107p. 
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<br/><br/><label>Index Terms--Genre/Form: </label><br/>Thesis or Dissertation
<br/><br/><label>Dewey Class. No.: </label>720  / DWI