Lee, Hyejin. “The Limitation of Determination Structure of the Agreed Rate of Return for Public-Private Partnership (PPP) Road Projects and Improvement in South Korea”. Archives of Case Reports 9, no. 2 (February 5, 2025): 051–053. Accessed April 26, 2025. https://www.clinmedcasereportsjournal.com/acr/article/view/acr-aid1127.