“The Role of the Sidoarjo Regency Transportation Service in Improving Service Quality at Porong Terminal: Peran Dinas Perhubungan Kabupaten Sidoarjo dalam Meningkatkan Kualitas Pelayanan di Terminal Porong”, IJPPR, vol. 20, p. 10.21070/ijppr.v20i0.1285, Sept. 2022, doi: 10.21070/ijppr.v20i0.1285.