Fu, Liping, Huajun Sun, Ya’nan Fang, and Kaibo Xu. “A Systematic Review of the public–private Partnership Literature Published Between 2012 and 2021”. Journal of Civil Engineering and Management 29, no. 3 (February 20, 2023): 238–252. Accessed November 15, 2024. https://transport.vgtu.lt/index.php/JCEM/article/view/17926.