1. Understanding and Managing Organisational Culture;O’Donnell,2008
2. The results for the 2017 Global 100 Most Sustainable Corporations in the World index
https://www.corporateknights.com/magazines/2015-global-100-issue/2015-global-100-results-14218559/
3. Forging Lasting Relationships Building on Qatargas’ reputation for safety, flexibility andreliability
https://www.qatargas.com/english/MediaCenter/The%20Pioneer/The%20Pioneer%20-%20Quarter%203,%202016.pdf
4. Integrated Report of Economic, Environmental and Social Sustainability. Posco Report 2016
http://www.posco.com/homepage/docs/eng5/dn/sustain/customer/2016_POSCO_Report_EN.pdf
5. Sustainbility Report,2016