Djoen San Santoso, Tri Basuki Joewono, Andreas Wibowo, Harlan P.A. Sinaga, and Wimpy Santosa. “Public-Private Partnerships for Tollway Construction and Operation: Risk Assessment and Allocation from the Perspective of Investors”. Journal of Construction in Developing Countries 17, no. 2 (December 31, 2012): 45–66. Accessed September 14, 2026. https://ejournal.usm.my/jcdc/article/view/jcdc_vol17-no-2-2012_3.