1. Hojati Arya: 8 Best Practices to Improve Construction Site Safety, https://esub.com/improve-construction-site-safety/, December, 2018
2. Edgar Snyder & Association: Construction Site Accidents, https://www.edgarsnyder.com/job-site-accident/construction-site-accidents/
3. Lee Steve, http://www.attorneystevelee.com/library/types-of-construction-site-accidents.cfm
4. Keller James R.: Construction Accident Statistics: https://www.2keller.com/library/construction-accident-statistics.cfm