"Module 4:Design Considerations"(PDF). Rehabilitation Council of India. Archived from the original(PDF) on 27 September 2007. (page 36 shows a photograph of a wheelchair ramp at Dilli Haat)
"Module 4:Design Considerations"(PDF). Rehabilitation Council of India. Archived from the original(PDF) on 27 September 2007. (page 36 shows a photograph of a wheelchair ramp at Dilli Haat)