“What is cognitive behavioral therapy techniques?”

https://en.wikipedia.org/wiki/Cognitive_behavioral_therapy

This is a good source for your question:
https://www.audible.com/pd/Cognitive-Behavioral-Therapy-Techniques-Audiobook/B07QD2Z46M?source_code=MSNGBWS080516903E&msclkid=7361e86a948316e0f7f4b5fe0825f6bf&gclid=COyY2J3O_eQCFYZegQodyrkN0A&gclsrc=ds

Also:
https://psychologenie.com/cognitive-behavioral-therapy-cbt-techniques