1. American Psychological Association. (2017). Ethical principles of psychologists and code of conduct. http://www.apa.org/ethics/code/
2. Ministry of Social Justice and Empowerment. (2018). The Gazette of India: Extraordinary. Guidelines for the purpose of assessing the extent of specified disability in a person included under the Rights of Persons with Disabilities Act, 2016 (49 of 2016). http://www.ccdisabilities.nic.in/sites/default/files/2021-08/NEW%20GUIDELINES%20FOR%20EVALUATION%20AND%20CERTIFICATION%2C%202018_0.pdf
3. Ministry of Social Justice and Empowerment. (2024). The Gazette of India: Extraordinary: Notification for Revised Guidelines. https://divyangjan.depwd.gov.in/upload/uploadfiles/assessment_guidelines.pdf
4. Narayan, J. (2003). Grade Level Assessment Device of Children with Learning Problems in School. National Institute for the Empowerment of Persons with Intellectual Disability. https://niepid.nic.in/Grade%20Level%20Assessment%20Device%20For%20Children.pdf
5. NIEPID Indian Test of Intelligence. (2024). National Institute for the Empowerment of Persons with Intellectual Disabilities. https://niepid.nic.in/niti.php