R. Osei-Kyei, A. P. C. Chan, A. A. Javed, and E. E. Ameyaw, “Critical success criteria for public-private partnership projects: international experts’ opinion”, IJSPM, vol. 21, no. 1, pp. 87–100, Feb. 2017, doi: 10.3846/1648715X.2016.1246388.