1. International Labor Organization (ILO). (2011) “OSH Management System: A Tool for Continual Improvement.” https://www.ilo.org/safework/info/promo/WCMS_153930/lang--en/index.htm (Date of access: 24.03.2019)
2. “Development and Evaluation of The Michigan Occupational Health and Safety Management System Assessment Instrument: A Universal OHSMS Performance Measurement Tool.”;Charles;American Industrial Hygiene Association Journal.,2010
3. International Labor Organization (ILO). https://www.ilo.org/safework/areasofwork/occupational-safety-and-health-management-systems/lang--en/index.htm (Date of access: 11.02.2019)
4. “The Effectiveness of Occupational Health and Safety Management System Interventions: A Systematic Review.”;Robson;Safety Science.,2007
5. Gallagher, C., Underhill, E. and Rimmer, M. (2001) “Occupational Health and Safety Management Systems: A Review of their Effectiveness in Securing Healthy and Safe Workplaces.” National Occupational Health and Safety Commission Sydney, 1-82. (Date of access: https://www.safeworkaustralia.gov.au/system/files/documents/1702/ohsmanagementsystems_reviewofeffectiveness_nohsc_2001_archivepdf.pdf).