Sulkha, A. T., and K. Sinduwiatmo. “Public Relations Strategy of PT Jasamarga Pandaan Tol in Establishing Relationships With External Stakeholders”. Indonesian Journal of Public Policy Review, Vol. 16, Oct. 2021, p. 10.21070/ijppr.v16i0.1143, doi:10.21070/ijppr.v16i0.1143.