Sunandar, Ali, Fitri Andriyanti, Saipol B. A. Karim, and Umi K. Z Zulkifli. 2026. “Examining the Application of the Semi-Structured Interview Method in Public-Private Partnership (PPP) Infrastructure Studies ”. Journal of Civil Engineering 41 (1):3-19. https://doi.org/10.12962/j25799029.v41i1.9498.