RESEARCH ABOUT YOGA THERAPY
https://www.cnn.com/2012/02/25/health/medicare-covers-yoga-heart-disease/
https://www.medpagetoday.org/primarycare/alternativemedicine/49966?vpass=1
https://www.handspringpublishing.com/product/principles-practice-yoga-health-care/
HATHA YOGA
https://www.yogajournal.com/yoga-101/types-of-yoga/hatha
https://www.ekhartyoga.com/articles/philosophy/what-is-hatha-yoga
https://yogainternational.com/article/view/balancing-ha-and-tha-the-essence-of-hatha-yoga
CHAIR YOGA
https://yogainternational.com/article/view/chair-yoga-flow-a-dynamic-way-to-sit-and-practice
https://yogauonline.com/yoga-practice-tips-and-inspiration/how-sequence-chair-yoga-class
YOGA ALLIANCE
THE INTERNATIONAL ASSOCIATION OF YOGA THERAPISTS (IAYT)