Hello,
You can simply search for them in google and then download it from there. There are many websites available like andhrauniversity.edu, sites.google, s (//shaalaa.com) haalaa. There are plenty of sites apart from the ones I have mentioned you can just search for it and simply download the pdfs.
Hope it helps.
Good luck.
Pursue M.Sc. in Data Science from Manipal Online.
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