Hello,

I am posting some pdfs link which are helpful you can copy paste and visit those links-

1) https://drive.google.com/file/d/188GayBCzhTI1UGoX9HJjbyZAvvvzDzN3/view

2) https://drive.google.com/file/d/1iiYk0CCYFkIFYNBHanL_wH2Jt7btG5O8/view

3) https://drive.google.com/file/d/1h3GuoIeIhdZ0JreSAVovPFXifWkxuacJ/view

4) https://drive.google.com/file/d/1XXLANV3E89SezLWbF92MwOfqZGT_fLeK/view

You can also find such papers on private sites on the internet and many papers are available with solution on youtube too.

Hope this helps!