This is an excerpt from the very educational book Your Thoughts Are Not Your Own – Mind Control, Mass Manipulation and Perception Management by Neil Sanders.

You can buy a copy here: https://www.neilsandersmindcontrol.com/index.php/shop-online/books/your-thoughts-are-not-your-own

Also buy a copy here: https://www.amazon.com/Your-Thoughts-Are-Not-Own/dp/B00GQO93V6