Sources
Every source backing a fact on Azam Khan's own page, deduplicated — the same source backing several facts appears once.
- http://chi2009.acm.org/ — http://chi2009.acm.org/
- http://chi2011.acm.org/ — http://chi2011.acm.org/
- https://github.com/sven-mayer/chi-statistics — https://github.com/sven-mayer/chi-statistics