the KOAN method

Reading List

109 – R. McCraty, Science of the Heart

McCraty, R. “Science of the Heart, Volume 2: Exploring the Role of the Heart
in Human Performance.” HeartMath Institute, 2015. https://www.heartmath.org/research/science-of-the-heart/heart-brain-communication/

https://amzn.to/3Zd6wH7