Stergiou, Angelos. “Public-Private Partnerships in Statutory Pension Systems: A New Interaction Between the Public and the Private Sectors”. Social Cohesion and Development 6, no. 2 (January 1, 2011): 103–116. Accessed July 17, 2024. https://ejournals.epublishing.ekt.gr/index.php/SCAD/article/view/10066.