Avoid them as much as possible, the links go: libgen.is pk1lib.org ethos.bl.uk sabaq.pk sci-hub.se archive.org lej4learning.com.pk pdfdrive.com
https://cytag.nl/system/media_attachments/files/110/898/563/240/499/459/original/d7c0ec2de754c5a3.png
Definitely do not go to these websites to get free study books. Also, don't go to https://12ft.io/ to unlock paywalls.
libgen.is, pk1lib.org, ethos.bl.uk, sabaq.pk, sci-hub.se, archive.org, lej4learning.com.pk, pdfdrive.com, unpaywall.org
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