https://elibrary.in.pearson.com [2]
https://ebooks.schandgroup.com [3]
https://www.iisu.refread.com [4]
Links:
[1] https://history.iisuniv.ac.in/content/e-resources
[2] https://elibrary.in.pearson.com/
[3] https://ebooks.schandgroup.com/
[4] https://www.iisu.refread.com/