1. The Belgrade Charter: A Framework for Environmental Educationhttps://unesdoc.unesco.org/ark:/48223/pf0000017772
2. The Concept of Environmental Educationhttps://www.ecomena.org/environmental-education/
3. Poor, Disabled and Shut outhttps://www.washingtonpost.com/archive/opinions/2002/12/03/poor-disabled-and-shut-out/ad0289bb-9b22-44b6-94fc-9ca7212e9bb8/
4. Convention on the Rights of Persons with Disabilities (CRPD)https://www.un.org/development/desa/disabilities/convention-on-the-rights-of-persons-with-disabilities.html
5. Low Income among Persons with a Disability in Canadahttps://www150.statcan.gc.ca/n1/pub/75-006-x/2017001/article/54854-eng.htm?wbdisable=true