https://www.theguardian.com/world/2009/sep/10/india-school-stampede
https://www.france24.com/en/20090910-deadly-school-stampede-new-delhi-
https://timesofindia.indiatimes.com/city/delhi/delhi-5-girls-killed-in-school-stampede/articleshow/4993513.cms
https://www.indiatoday.in/top-stories/story/5-killed-30-injured-in-delhi-school-stampede-56250-2009-09-10
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3678181/