Akbiyikli, Rifat, David Eaton, and Seyyit Umit Dikmen. “Achieving Sustainable Construction Within Private Finance Initiative (PFI) Road Projects in the UK”. Technological and Economic Development of Economy 18, no. 2 (June 29, 2012): 207-229. Accessed November 26, 2024. https://jeelm.vgtu.lt/index.php/TEDE/article/view/4687.