References

Books 
  1. E-Learning: A Guidebook of Principles, Procedures and Practices by Som Naidu (http://www.cemca.org/e-learning_guidebook.pdf
  2. How Children Learn by John Holt (http://gyanpedia.in/tft/Resources/books/hcl.pdf)
Papers
  1. How Children Learn by Stella Vosniadou (http://www.ibe.unesco.org/publications/EducationalPracticesSeriesPdf/prac07e.pdf)