1. Healing Environments: the next natural step;Ananth;Explore,2008
2. Playful Pediatrics;Annunziato;Contract San Francisco:,2002
3. Berg A.V.D., (2005), Health Impacts of Healing Environments-A review of Evidence For Benefits of Nature, Daylight, Fresh Air and Quiet in Healthcare Settings, Dissertation, University Hospital Groningen.
4. Coakley A.B., Ellen K.M., (2009), Creating a Therapeutic and Healing Environment With a Pet.
5. Therapy Program, Complementary Therapies in Clinical Practice, Volume 15, Issue 3, Pages 141-146.