David Nurkhalik and dedi kusuma, “PENGAWASAN DINAS PERHUBUNGAN PROVINSI RIAU TERHADAP TRAVEL ILEGAL (STUDI KASUS DI KOTA PEKANBARU) ”, JIANA, vol. 23, no. 2, pp. 145–156, Aug. 2025, doi: 10.46730/jiana.v23i2.8250.