Sunandar, A., Abd Karim, S. B., & Zolkafli @Zulkifly, U. K. (2025). Exploring Delphi Method Utilization Research Trends on Public-Private Partnership Infrastructure Studies. Journal of Infrastructure Policy and Management (JIPM), 8(1), 21–40. https://doi.org/10.35166/jipm.v8i1.92