Khoteeva, Margarita, and Daria Khoteeva. “Public-Private Partnerships: A Solution for Infrastructure Development in the UK? Case Study of the London Underground Public-Private Partnership Project”. International Review of Management and Marketing, vol. 7, no. 1, Jan. 2017, pp. 300-8, https://mail.econjournals.com/index.php/irmm/article/view/3090.