Pages of International Labor Organization (www.ilo.org/global/lang--en/index.html)
European Risk Observatory: Health and safety risks at the workplace: A joint analysis of three major surveys. Available at: https://osha.europa.eu/en/tools-and-publications/publications/health-and-safety-risks-workplace-joint-analysis-three-major/view
BOYD, C.: Human Resource Management and Occupational Health and Safety. (2003) 208p