@article{asha_chellappan_2011, 
  title={Voice Activated E-Learning System for the Visually Impaired}, 
  volume={14}, 
  DOI={10.5120/1892-2514}, 
  publisher={Foundation of Computer Science}, 
  author={Asha and Chellappan}, 
  year={2011}, 
  month={Feb}
  }